#A66920
Closest named color: Umber (#B26400). oklch(57.5% 0.115 65.7), rgb(166, 105, 32).
Aa
Black text reads best on this color (4.66:1).
About this color
#A66920 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 57%, its chroma 0.115 and its hue 66°. Its hue sits on the warm side of the wheel. The nearest named color is Umber (#B26400), ΔE 0.023 away. Black text reads best on it, at 4.66:1.
| Hue family | Browns |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.115) |
| Temperature | warm |
| Nearest name | Umber (#B26400) |
| Black text | 4.66:1 |
| White text | 4.50:1 |
Values
| HEX | #A66920 |
| RGB | rgb(166, 105, 32) |
| HSL | hsl(33, 68%, 39%) |
| OKLCH | oklch(57.5% 0.115 65.7) |
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 #A66920 | 4.50:1 | AA | Lc -76.5 | Fine for body text |
| Black text on #A66920 | 4.66:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #A66920 text on white | 4.50:1 | AA | Lc 71.0 | Content text, not long reading |
| #A66920 text on black | 4.66:1 | AA | Lc -30.7 | 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
#F9F5F1
oklch(97.2% 0.007 67.7)
-
Step 100
100
#F1E8E0
oklch(93.6% 0.015 64.3)
-
Step 200
200
#E7D6C6
oklch(88.6% 0.029 65.7)
-
Step 300
300
#D8BB9E
oklch(81% 0.052 67)
-
Step 400
400
#C49669
oklch(70.6% 0.082 65.2)
-
Step 500
500
#B57B3E
oklch(63% 0.106 65.1)
-
Step 600
600 (this color)
#A66920
oklch(57.5% 0.115 65.7)
-
Step 700
700
#895207
oklch(49.1% 0.107 65.5)
-
Step 800
800
#6F440D
oklch(42.8% 0.088 66.4)
-
Step 900
900
#5A3914
oklch(37.6% 0.069 65.7)
-
Step 950
950
#35220D
oklch(27.1% 0.044 66.7)
#A66920 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) | #7D6E14 | 0.074 |
| Deuteranopia (no green cones) | #8B7C21 | 0.066 |
| Tritanopia (no blue cones) | #B65B5B | 0.088 |
| Achromatopsia (no color) | #777777 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A66920
#A66920
oklch(57.5% 0.115 65.7)
- #357EB8
#357EB8
oklch(57.4% 0.115 245.8)
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 #A66920, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Umber #B26400 ΔE 0.023
- Raw Umber #A75E09 ΔE 0.026
- Orangey Brown #B16002 ΔE 0.026
- Caramel #AF6F09 ΔE 0.026
- Leather #AC7434 ΔE 0.032
- Raw Sienna #9A6200 ΔE 0.032
- Copper #B66325 ΔE 0.032
- Earth #A2653E ΔE 0.033
Use #A66920 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.