#A66B2B#A66B2B
#A66B2B is a mid, moderate orange. Relative luminance 0.188; OKLCH L 57.9% C 0.109 H 64.5°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).
Color values
| HEX | #A66B2B |
|---|---|
| RGB | rgb(166, 107, 43) |
| HSL | hsl(31, 59%, 41%) |
| HSV | hsv(31, 74%, 65%) |
| CMYK | cmyk(0%, 35.5%, 74.1%, 34.9%) |
| CIE-LAB | lab(50.45, 17.85, 43.99) |
| CIE-LCH | lch(50.45, 47.48, 67.91°) |
| OKLab | oklab(57.94% 0.0467 0.098) |
| OKLCH | oklch(57.94% 0.109 64.5) |
| XYZ | xyz(21.4213, 18.7988, 4.7854) |
| Luminance | 0.1880 (WCAG relative) |
| Temperature | warm |
| Family | orange |
Closest named colors
Leather
#AC7434
ΔE00 3.24
Clay Brown
#B2713D
ΔE00 4.74
Copper
#B87333
ΔE00 4.77
Umber (survey)
#B26400
ΔE00 4.80
Raw Umber
#A75E09
ΔE00 4.87
Caramel (survey)
#AF6F09
ΔE00 5.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A66B2B #2B66A6
analogous
#A62E2B #A66B2B #A3A62B
triadic
#A66B2B #2BA66B #6B2BA6
tetradic
#A66B2B #2BA62E #2B66A6 #A62BA3
square
#A66B2B #2BA62E #2B66A6 #A62BA3
split-complementary
#A66B2B #2BA3A6 #2E2BA6
monochromatic
#452C12 #754C1E #A66B2B #CE8A41 #DAA871
Accessibility & contrast
On white
4.41
#A66B2B on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.76
#A66B2B on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #A66B2B
4.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A66B2B | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##A66B2B | 1.00 | 4.41 | 4.76 | 4.76 |
| #FFFFFF | 4.41 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.76 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.76 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7E7023
Deuteranopia (green-blind)
#8C7D2C
Tritanopia (blue-blind)
#B55D5E
Achromatopsia (no color)
#787878
Design tokens & code
CSS
--color: #a66b2b; /* rgb */ color: rgb(166, 107, 43); /* oklch */ color: oklch(57.9% 0.109 64.5);
Tailwind
colors: {
custom: {
50: '#c59568',
500: '#a66b2b',
950: '#000000',
},
}SCSS
$custom: #a66b2b; $custom-light: #c59568; $custom-dark: #000000;
JSON
{
"hex": "#a66b2b",
"rgb": {
"r": 166,
"g": 107,
"b": 43
},
"hsl": {
"h": 31.22,
"s": 58.852,
"l": 40.98
},
"oklch": {
"l": 0.57943,
"c": 0.10858,
"h": 64.5
},
"luminance": 0.18797
}Semantic roles & 50–950 ramp
primary
#A66B2B
secondary
#6B95C1
accent
#91E246
background
#FCF9F6
surface
#F9F1EB
border
#D2CBC6
text
#140D06
muted
#827E7A