#A66015
Closest named color: Raw Umber (#A75E09). oklch(55.7% 0.122 60.7), rgb(166, 96, 21).
Aa
White text reads best on this color (4.87:1).
About this color
#A66015 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 56%, its chroma 0.122 and its hue 61°. Its hue sits on the warm side of the wheel. The nearest named color is Raw Umber (#A75E09), ΔE 0.005 away. White text reads best on it, at 4.87:1.
| Hue family | Browns |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.122) |
| Temperature | warm |
| Nearest name | Raw Umber (#A75E09) |
| Black text | 4.30:1 |
| White text | 4.87:1 |
Values
| HEX | #A66015 |
| RGB | rgb(166, 96, 21) |
| HSL | hsl(31, 78%, 37%) |
| OKLCH | oklch(55.7% 0.122 60.7) |
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 #A66015 | 4.87:1 | AA | Lc -78.9 | Fine for body text |
| Black text on #A66015 | 4.30:1 | AA large text | Lc 30.7 | Non-text elements, placeholder text |
| #A66015 text on white | 4.87:1 | AA | Lc 73.4 | Content text, not long reading |
| #A66015 text on black | 4.30:1 | AA large text | Lc -28.3 | 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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E8DF
oklch(93.6% 0.016 64.7)
-
Step 200
200
#E9D5C5
oklch(88.5% 0.031 61.1)
-
Step 300
300
#DCB99D
oklch(80.9% 0.056 60.6)
-
Step 400
400
#C99467
oklch(70.7% 0.088 61)
-
Step 500
500
#BA783C
oklch(63.1% 0.112 60.7)
-
Step 600
600 (this color)
#A66015
oklch(55.7% 0.122 60.7)
-
Step 700
700
#8E4F02
oklch(49.2% 0.113 61)
-
Step 800
800
#73410A
oklch(42.7% 0.094 61.1)
-
Step 900
900
#5D3713
oklch(37.6% 0.073 60.5)
-
Step 950
950
#37210D
oklch(27.1% 0.046 61)
#A66015 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) | #766703 | 0.089 |
| Deuteranopia (no green cones) | #867716 | 0.079 |
| Tritanopia (no blue cones) | #B65052 | 0.087 |
| Achromatopsia (no color) | #717171 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66015
#A66015
oklch(55.7% 0.122 60.7)
- #177BB4
#177BB4
oklch(55.7% 0.122 240.9)
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 #A66015, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Raw Umber #A75E09 ΔE 0.005
- Orangey Brown #B16002 ΔE 0.020
- Raw Sienna #9A6200 ΔE 0.025
- Umber #B26400 ΔE 0.026
- Sepia #985E2B ΔE 0.030
- Earth #A2653E ΔE 0.032
- Copper #B66325 ΔE 0.034
- Cinnamon #AC4F06 ΔE 0.038
Use #A66015 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.