#AD6633
Closest named color: Copper (#B66325). oklch(58% 0.113 54), rgb(173, 102, 51).
Aa
Black text reads best on this color (4.72:1).
About this color
#AD6633 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 58%, its chroma 0.113 and its hue 54°. Its hue sits on the warm side of the wheel. The nearest named color is Copper (#B66325), ΔE 0.018 away. Black text reads best on it, at 4.72:1.
| Hue family | Browns |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.113) |
| Temperature | warm |
| Nearest name | Copper (#B66325) |
| Black text | 4.72:1 |
| White text | 4.44:1 |
Values
| HEX | #AD6633 |
| RGB | rgb(173, 102, 51) |
| HSL | hsl(25, 54%, 44%) |
| OKLCH | oklch(58% 0.113 54) |
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 #AD6633 | 4.44:1 | AA large text | Lc -76.0 | Fine for body text |
| Black text on #AD6633 | 4.72:1 | AA | Lc 33.6 | Non-text elements, placeholder text |
| #AD6633 text on white | 4.44:1 | AA large text | Lc 70.5 | Content text, not long reading |
| #AD6633 text on black | 4.72:1 | AA | Lc -31.1 | 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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E7E1
oklch(93.5% 0.014 50.8)
-
Step 200
200
#E9D5C8
oklch(88.6% 0.028 55.3)
-
Step 300
300
#DCB8A2
oklch(80.8% 0.051 53.2)
-
Step 400
400
#C99370
oklch(70.7% 0.081 53.9)
-
Step 500
500
#BA774A
oklch(63.1% 0.104 53.6)
-
Step 600
600 (this color)
#AD6633
oklch(58% 0.113 54)
-
Step 700
700
#8D4E1E
oklch(49.1% 0.104 54.2)
-
Step 800
800
#73401B
oklch(42.7% 0.087 53.7)
-
Step 900
900
#5D371C
oklch(37.7% 0.067 54.4)
-
Step 950
950
#372011
oklch(27% 0.044 53)
#AD6633 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) | #7B6E2E | 0.089 |
| Deuteranopia (no green cones) | #8C7E33 | 0.082 |
| Tritanopia (no blue cones) | #BD575B | 0.075 |
| Achromatopsia (no color) | #787878 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AD6633
#AD6633
oklch(58% 0.113 54)
- #1E84B2
#1E84B2
oklch(57.9% 0.112 234)
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 #AD6633, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Copper #B66325 ΔE 0.018
- Earth #A2653E ΔE 0.023
- Orangey Brown #B16002 ΔE 0.026
- Umber #B26400 ΔE 0.027
- Clay Brown #B2713D ΔE 0.029
- Raw Umber #A75E09 ΔE 0.032
- Tiger's Eye #BC6C25 ΔE 0.035
- Brown Orange #B96902 ΔE 0.035
Use #AD6633 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.