#A66738#A66738
#A66738 is a mid, moderate orange. Relative luminance 0.181; OKLCH L 57.3% C 0.102 H 55.7°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).
Color values
| HEX | #A66738 |
|---|---|
| RGB | rgb(166, 103, 56) |
| HSL | hsl(26, 50%, 44%) |
| HSV | hsv(26, 66%, 65%) |
| CMYK | cmyk(0%, 38%, 66.3%, 34.9%) |
| CIE-LAB | lab(49.61, 20.86, 36.54) |
| CIE-LCH | lch(49.61, 42.08, 60.29°) |
| OKLab | oklab(57.34% 0.0577 0.0844) |
| OKLCH | oklch(57.34% 0.102 55.7) |
| XYZ | xyz(21.2915, 18.0950, 6.1120) |
| Luminance | 0.1809 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Earth
#A2653E
ΔE00 2.31
Clay Brown
#B2713D
ΔE00 4.13
Sepia
#985E2B
ΔE00 4.45
Copper (survey)
#B66325
ΔE00 4.51
Sienna (survey)
#A9561E
ΔE00 5.86
Copper
#B87333
ΔE00 6.21
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A66738 #3877A6
analogous
#A63840 #A66738 #A69E38
triadic
#A66738 #38A667 #6738A6
tetradic
#A66738 #40A638 #3877A6 #9E38A6
square
#A66738 #40A638 #3877A6 #9E38A6
split-complementary
#A66738 #38A69E #3840A6
monochromatic
#4A2E19 #784B29 #A66738 #C68555 #D5A683
Accessibility & contrast
On white
4.55
#A66738 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.62
#A66738 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #A66738
4.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A66738 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##A66738 | 1.00 | 4.55 | 4.62 | 4.62 |
| #FFFFFF | 4.55 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.62 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.62 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#796D33
Deuteranopia (green-blind)
#887C38
Tritanopia (blue-blind)
#B55A5C
Achromatopsia (no color)
#767676
Design tokens & code
CSS
--color: #a66738; /* rgb */ color: rgb(166, 103, 56); /* oklch */ color: oklch(57.3% 0.102 55.7);
Tailwind
colors: {
custom: {
50: '#c59270',
500: '#a66738',
950: '#000000',
},
}SCSS
$custom: #a66738; $custom-light: #c59270; $custom-dark: #000000;
JSON
{
"hex": "#a66738",
"rgb": {
"r": 166,
"g": 103,
"b": 56
},
"hsl": {
"h": 25.636,
"s": 49.55,
"l": 43.529
},
"oklch": {
"l": 0.57335,
"c": 0.10226,
"h": 55.7
},
"luminance": 0.18093
}Semantic roles & 50–950 ramp
primary
#A66738
secondary
#7BA2BF
accent
#9ED94F
background
#FCF9F6
surface
#F9F1EC
border
#D2CBC7
text
#130D07
muted
#827E7A