#A16637
Closest named color: Earth (#A2653E). oklch(56.5% 0.098 57.5), rgb(161, 102, 55).
Aa
White text reads best on this color (4.69:1).
About this color
#A16637 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 56%, its chroma 0.098 and its hue 57°. Its hue sits on the warm side of the wheel. The nearest named color is Earth (#A2653E), ΔE 0.009 away. White text reads best on it, at 4.69:1.
| Hue family | Browns |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.098) |
| Temperature | warm |
| Nearest name | Earth (#A2653E) |
| Black text | 4.47:1 |
| White text | 4.69:1 |
Values
| HEX | #A16637 |
| RGB | rgb(161, 102, 55) |
| HSL | hsl(27, 49%, 42%) |
| OKLCH | oklch(56.5% 0.098 57.5) |
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 #A16637 | 4.69:1 | AA | Lc -77.8 | Fine for body text |
| Black text on #A16637 | 4.47:1 | AA large text | Lc 31.7 | Non-text elements, placeholder text |
| #A16637 text on white | 4.69:1 | AA | Lc 72.4 | Content text, not long reading |
| #A16637 text on black | 4.47:1 | AA large text | Lc -29.3 | 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
#F9F4F2
oklch(97% 0.006 43.3)
-
Step 100
100
#F1E8E2
oklch(93.6% 0.013 56.2)
-
Step 200
200
#E6D6CA
oklch(88.6% 0.024 59.4)
-
Step 300
300
#D7BAA5
oklch(80.8% 0.044 58)
-
Step 400
400
#C39675
oklch(70.7% 0.071 57.5)
-
Step 500
500
#B37B51
oklch(63.1% 0.09 57.1)
-
Step 600
600 (this color)
#A16637
oklch(56.5% 0.098 57.5)
-
Step 700
700
#875227
oklch(49.1% 0.091 57.3)
-
Step 800
800
#6E4322
oklch(42.6% 0.076 56.4)
-
Step 900
900
#593920
oklch(37.6% 0.059 57.7)
-
Step 950
950
#342214
oklch(27% 0.037 58.3)
#A16637 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) | #786C32 | 0.073 |
| Deuteranopia (no green cones) | #867937 | 0.066 |
| Tritanopia (no blue cones) | #AF5A5B | 0.068 |
| Achromatopsia (no color) | #747474 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A16637
#A16637
oklch(56.5% 0.098 57.5)
- #337EA9
#337EA9
oklch(56.6% 0.099 237.4)
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 #A16637, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Earth #A2653E ΔE 0.009
- Sepia #985E2B ΔE 0.028
- Raw Umber #A75E09 ΔE 0.031
- Raw Sienna #9A6200 ΔE 0.038
- Orangey Brown #B16002 ΔE 0.038
- Copper #B66325 ΔE 0.038
- Umber #B26400 ΔE 0.040
- Dirt #8A6E45 ΔE 0.042
Use #A16637 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.