Action: Lab Spectrum Make New: document Name: “Lab Spectrum” Mode: Lab color mode Width: 3.39 cm Height: 3.39 cm Resolution: 118.11 per cm Fill: white Make layer Without Below Set current layer To: layer Name: “Borders” Set Selection To: rectangle Top: 0 pixels Left: 100 pixels Bottom: 101 pixels Right: 301 pixels Stroke Width: 3 Location: center Opacity: 100% Mode: normal Color: RGB color Red: 0 Green: 0 Blue: 0 Set Selection To: none Set Selection To: rectangle Top: 100 pixels Left: 0 pixels Bottom: 301 pixels Right: 101 pixels Stroke Width: 3 Location: center Opacity: 100% Mode: normal Color: RGB color Red: 0 Green: 0 Blue: 0 Set Selection To: rectangle Top: 100 pixels Left: 300 pixels Bottom: 301 pixels Right: 400 pixels Stroke Width: 3 Location: center Opacity: 100% Mode: normal Color: RGB color Red: 0 Green: 0 Blue: 0 Set Selection To: rectangle Top: 300 pixels Left: 100 pixels Bottom: 400 pixels Right: 301 pixels Stroke Width: 3 Location: center Opacity: 100% Mode: normal Color: RGB color Red: 0 Green: 0 Blue: 0 Set Selection To: none Set Selection To: 179 pixels, 53 pixels Tolerance: 20 With Anti-alias Reset Swatches Set Background Color To: Lab color Luminance: 50 A: 0 B: 0 Select Background Select b channel Gradient From: 101 pixels, 47 pixels To: 301 pixels, 48 pixels Type: linear With: gradient Name: “Foreground to Background” Form: custom stops Interpolation: 4096 Colors: color stop list color stop Type: foreground color Location: 0 Midpoint: 50 color stop Type: background color Location: 4096 Midpoint: 50 Transparency: transparency stop list transparency stop Opacity: 100% Location: 0 Midpoint: 50 transparency stop Opacity: 100% Location: 4096 Midpoint: 50 Select Lab channel Set Selection To: none Select layer “Borders” Set Selection To: 41 pixels, 212 pixels Tolerance: 20 With Anti-alias Select Background Select a channel Gradient From: 43 pixels, 101 pixels To: 43 pixels, 300 pixels Type: linear With: gradient Name: “Foreground to Background” Form: custom stops Interpolation: 4096 Colors: color stop list color stop Type: foreground color Location: 0 Midpoint: 50 color stop Type: background color Location: 4096 Midpoint: 50 Transparency: transparency stop list transparency stop Opacity: 100% Location: 0 Midpoint: 50 transparency stop Opacity: 100% Location: 4096 Midpoint: 50 Select Lab channel Set Selection To: none Select layer “Borders” Set Selection To: 345 pixels, 202 pixels Tolerance: 20 With Anti-alias Reset Swatches Set Foreground Color To: Lab color Luminance: 50 A: 0 B: 0 Select Background Select b channel Gradient From: 345 pixels, 100 pixels To: 346 pixels, 300 pixels Type: linear With: gradient Name: “Foreground to Background” Form: custom stops Interpolation: 4096 Colors: color stop list color stop Type: foreground color Location: 0 Midpoint: 50 color stop Type: background color Location: 4096 Midpoint: 50 Transparency: transparency stop list transparency stop Opacity: 100% Location: 0 Midpoint: 50 transparency stop Opacity: 100% Location: 4096 Midpoint: 50 Show lightness channel, a channel Set Selection To: none Select layer “Borders” Set Selection To: 184 pixels, 361 pixels Tolerance: 20 With Anti-alias Select Background Select a channel Gradient From: 101 pixels, 347 pixels To: 300 pixels, 346 pixels Type: linear With: gradient Name: “Foreground to Background” Form: custom stops Interpolation: 4096 Colors: color stop list color stop Type: foreground color Location: 0 Midpoint: 50 color stop Type: background color Location: 4096 Midpoint: 50 Transparency: transparency stop list transparency stop Opacity: 100% Location: 0 Midpoint: 50 transparency stop Opacity: 100% Location: 4096 Midpoint: 50 Show lightness channel, b channel Set Selection To: none Select layer “Borders” Reset Swatches Set Selection To: 193 pixels, 208 pixels Tolerance: 20 With Anti-alias Select Background Select a channel Gradient From: 100 pixels, 201 pixels To: 301 pixels, 201 pixels Type: linear With: gradient Name: “Foreground to Background” Form: custom stops Interpolation: 4096 Colors: color stop list color stop Type: foreground color Location: 0 Midpoint: 50 color stop Type: background color Location: 4096 Midpoint: 50 Transparency: transparency stop list transparency stop Opacity: 100% Location: 0 Midpoint: 50 transparency stop Opacity: 100% Location: 4096 Midpoint: 50 Select b channel Gradient From: 201 pixels, 300 pixels To: 201 pixels, 100 pixels Type: linear With: gradient Name: “Foreground to Background” Form: custom stops Interpolation: 4096 Colors: color stop list color stop Type: foreground color Location: 0 Midpoint: 50 color stop Type: background color Location: 4096 Midpoint: 50 Transparency: transparency stop list transparency stop Opacity: 100% Location: 0 Midpoint: 50 transparency stop Opacity: 100% Location: 4096 Midpoint: 50 Show lightness channel, a channel Set Selection To: none Flatten Image Select Background Set current layer To: layer Name: “Move Rt end up&down” Make adjustment layer Using: adjustment layer Name: “Move Rt end Up&Down” Type: curves Adjustment: curves adjustment list curves adjustment Channel: lightness channel Curve: point list point: 0, 0 point: 255, 162 Stop Message: “Move the Right end of the Curve, in the adjustment layer, Up/Down to alter the Luminosity - use arrow keys to change slowly. Also try View>Proof Colors or View>Gamut Warning maybe in a new window, Window>Documents>New Window”