#A66A4E
Closest named color: Earth (#A2653E). oklch(58.2% 0.087 45.6), rgb(166, 106, 78).
Aa
Black text reads best on this color (4.79:1).
About this color
#A66A4E is a medium-dark, moderately saturated brown. In OKLCH its lightness is 58%, its chroma 0.087 and its hue 46°. Its hue sits on the warm side of the wheel. The nearest named color is Earth (#A2653E), ΔE 0.022 away. Black text reads best on it, at 4.79:1.
| Hue family | Browns |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.087) |
| Temperature | warm |
| Nearest name | Earth (#A2653E) |
| Black text | 4.79:1 |
| White text | 4.38:1 |
Values
| HEX | #A66A4E |
| RGB | rgb(166, 106, 78) |
| HSL | hsl(19, 36%, 48%) |
| OKLCH | oklch(58.2% 0.087 45.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #A66A4E | 4.38:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #A66A4E | 4.79:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #A66A4E text on white | 4.38:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #A66A4E text on black | 4.79:1 | AA | Lc -31.5 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F1E8E4
oklch(93.7% 0.011 45.7)
-
Step 200
200
#E6D5CD
oklch(88.5% 0.022 47)
-
Step 300
300
#D7B9AC
oklch(80.8% 0.039 44.8)
-
Step 400
400
#C39580
oklch(70.8% 0.063 45.7)
-
Step 500
500
#B27A60
oklch(63% 0.08 45.7)
-
Step 600
600 (this color)
#A66A4E
oklch(58.2% 0.087 45.6)
-
Step 700
700
#875138
oklch(49.1% 0.082 45.2)
-
Step 800
800
#6D432F
oklch(42.7% 0.066 45.9)
-
Step 900
900
#59392A
oklch(37.8% 0.052 45.8)
-
Step 950
950
#342119
oklch(26.9% 0.033 43.7)
#A66A4E with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #7A714C | 0.076 |
| Deuteranopia (no green cones) | #887E4E | 0.071 |
| Tritanopia (no blue cones) | #B45F63 | 0.052 |
| Achromatopsia (no color) | #797979 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66A4E
#A66A4E
oklch(58.2% 0.087 45.6)
- #3786A2
#3786A2
oklch(58.3% 0.087 224.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A66A4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Earth #A2653E ΔE 0.022
- Clay #B66A50 ΔE 0.029
- Mocha #9D7651 ΔE 0.033
- Pinkish Brown #B17261 ΔE 0.035
- Clay Brown #B2713D ΔE 0.038
- Adobe #BD6C48 ΔE 0.043
- Copper #B66325 ΔE 0.044
- Leather #AC7434 ΔE 0.046
Use #A66A4E in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.