#A66145
Closest named color: Earth (#A2653E). oklch(56.4% 0.099 42.5), rgb(166, 97, 69).
Aa
White text reads best on this color (4.75:1).
About this color
#A66145 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 56%, its chroma 0.099 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Earth (#A2653E), ΔE 0.017 away. White text reads best on it, at 4.75:1.
| Hue family | Browns |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Earth (#A2653E) |
| Black text | 4.41:1 |
| White text | 4.75:1 |
Values
| HEX | #A66145 |
| RGB | rgb(166, 97, 69) |
| HSL | hsl(17, 41%, 46%) |
| OKLCH | oklch(56.4% 0.099 42.5) |
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 #A66145 | 4.75:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #A66145 | 4.41:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #A66145 text on white | 4.75:1 | AA | Lc 72.7 | Content text, not long reading |
| #A66145 text on black | 4.41:1 | AA large text | Lc -29.0 | Dividers and decoration only |
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
#F2E7E3
oklch(93.6% 0.013 41.2)
-
Step 200
200
#E8D4CD
oklch(88.4% 0.024 40.3)
-
Step 300
300
#DBB8AA
oklch(80.9% 0.045 43)
-
Step 400
400
#C7927D
oklch(70.6% 0.071 42.6)
-
Step 500
500
#B8775D
oklch(63.1% 0.09 42.5)
-
Step 600
600 (this color)
#A66145
oklch(56.4% 0.099 42.5)
-
Step 700
700
#8C4E34
oklch(49.2% 0.092 43)
-
Step 800
800
#72402C
oklch(42.8% 0.077 42.2)
-
Step 900
900
#5C3728
oklch(37.8% 0.059 42.7)
-
Step 950
950
#362017
oklch(26.9% 0.038 43)
#A66145 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) | #736A43 | 0.090 |
| Deuteranopia (no green cones) | #847944 | 0.084 |
| Tritanopia (no blue cones) | #B4555A | 0.052 |
| Achromatopsia (no color) | #737373 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66145
#A66145
oklch(56.4% 0.099 42.5)
- #1882A0
#1882A0
oklch(56.5% 0.099 222.9)
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 #A66145, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Earth #A2653E ΔE 0.017
- Clay #B66A50 ΔE 0.040
- Sepia #985E2B ΔE 0.040
- Sienna #A0522D ΔE 0.041
- Copper #B66325 ΔE 0.043
- Raw Umber #A75E09 ΔE 0.045
- Orangey Brown #B16002 ΔE 0.049
- Clay Brown #B2713D ΔE 0.052
Use #A66145 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.