#AD660E
Closest named color: Umber (#B26400). oklch(57.7% 0.127 63.1), rgb(173, 102, 14).
Aa
Black text reads best on this color (4.68:1).
About this color
#AD660E is a medium-dark, moderately saturated brown. In OKLCH its lightness is 58%, its chroma 0.127 and its hue 63°. Its hue sits on the warm side of the wheel. The nearest named color is Umber (#B26400), ΔE 0.009 away. Black text reads best on it, at 4.68:1.
| Hue family | Browns |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.127) |
| Temperature | warm |
| Nearest name | Umber (#B26400) |
| Black text | 4.68:1 |
| White text | 4.48:1 |
Values
| HEX | #AD660E |
| RGB | rgb(173, 102, 14) |
| HSL | hsl(33, 85%, 37%) |
| OKLCH | oklch(57.7% 0.127 63.1) |
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 #AD660E | 4.48:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #AD660E | 4.68:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #AD660E text on white | 4.48:1 | AA large text | Lc 70.7 | Content text, not long reading |
| #AD660E text on black | 4.68:1 | AA | Lc -30.9 | 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
#F9F4F0
oklch(97% 0.008 61.5)
-
Step 100
100
#F2E8DF
oklch(93.6% 0.016 64.7)
-
Step 200
200
#E9D5C4
oklch(88.5% 0.032 62.8)
-
Step 300
300
#DCB99B
oklch(80.9% 0.057 62.5)
-
Step 400
400
#C99463
oklch(70.7% 0.091 63.2)
-
Step 500
500
#BB7834
oklch(63.1% 0.118 62.9)
-
Step 600
600 (this color)
#AD660E
oklch(57.7% 0.127 63.1)
-
Step 700
700
#8C5000
oklch(49.1% 0.112 63.2)
-
Step 800
800
#734100
oklch(42.7% 0.097 63.4)
-
Step 900
900
#5E370E
oklch(37.7% 0.077 62.2)
-
Step 950
950
#37210A
oklch(27.1% 0.049 64.1)
#AD660E 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) | #7C6D00 | 0.089 |
| Deuteranopia (no green cones) | #8D7D10 | 0.078 |
| Tritanopia (no blue cones) | #BE5557 | 0.095 |
| Achromatopsia (no color) | #777777 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AD660E
#AD660E
oklch(57.7% 0.127 63.1)
- #2180BE
#2180BE
oklch(57.7% 0.127 243.2)
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 #AD660E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Umber #B26400 ΔE 0.009
- Orangey Brown #B16002 ΔE 0.015
- Raw Umber #A75E09 ΔE 0.024
- Caramel #AF6F09 ΔE 0.024
- Copper #B66325 ΔE 0.024
- Brown Orange #B96902 ΔE 0.024
- Orange Brown #BE6400 ΔE 0.031
- Tiger's Eye #BC6C25 ΔE 0.035
Use #AD660E 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.