Generate Palette
  1. Colors palettes
  2. UX Heuristic Evaluation Toolkit Theme
Created at 07/22/2025 11:47
byraccoon
  1

UX Heuristic Evaluation Toolkit Theme

  • Feedback Coral
    #ff7043
  • Error Red
    #e53935
  • Heuristic Blue
    #42a5f5
  • Visual Cue Gray
    #bdbdbd
  • Contrast Checker Yellow
    #fff176
  • Surface White
    #fdfdfd
The palette consists of Light, Semi dark colors. Accent colors Heuristic Blue #42a5f5 and Contrast Checker Yellow #fff176. Palette has Warm, Cool, Neutral colors temperature.

By lightness, this palette runs from #E53935 (darkest) to #FDFDFD (lightest). The lightness range is moderate.

Overall saturation feels vivid (higher chroma).

Some hue pairs sit near complementary positions — you may read this as complementary contrast (loose heuristic).

Overall temperature among swatches leans warm.

HEX codes (sorted): #42A5F5, #BDBDBD, #E53935, #FDFDFD, #FF7043, #FFF176

Palette UX Heuristic Evaluation Toolkit Theme has combination of 6 codes colors:
HEX: #ff7043, RGB: (255, 112, 67); HEX: #e53935, RGB: (229, 57, 53); HEX: #42a5f5, RGB: (66, 165, 245)
HEX: #bdbdbd, RGB: (189, 189, 189); HEX: #fff176, RGB: (255, 241, 118); HEX: #fdfdfd, RGB: (253, 253, 253)
Simplified version of palette colors
Tint of coral, Shade of Red, Shade of dodgerblue, Tint of Silver, Shade of Khaki, Tint of White
Color scheme was created by raccoon

Colors codes in palette

UX Heuristic Evaluation Toolkit Theme color codes HEX, RGB information in table

Color HEX RGB Name Alternative name
#ff7043 #ff7043 RGB(255, 112, 67)Feedback Coral—
#e53935 #e53935 RGB(229, 57, 53)Error Red—
#42a5f5 #42a5f5 RGB(66, 165, 245)Heuristic Blue—
#bdbdbd #bdbdbd RGB(189, 189, 189)Visual Cue GrayGray74
#fff176 #fff176 RGB(255, 241, 118)Contrast Checker Yellow—
#fdfdfd #fdfdfd RGB(253, 253, 253)Surface WhiteBrilliance

Color Palette Contrast

8 color pairs have low contrast and need improvement which may impact readability.
Text Color Background Color Contrast Ratio
#ff7043
#e53935
1.53
#ff7043
#42a5f5
1.03
#ff7043
#bdbdbd
1.46
#e53935
#42a5f5
1.59
#42a5f5
#bdbdbd
1.4
#bdbdbd
#fff176
1.61

Image palette UX Heuristic Evaluation Toolkit Theme png

UX Heuristic Evaluation Toolkit Theme - #556225
 Download image