#57510E
Closest named color: Green Brown (#544E03). oklch(42.8% 0.083 104), rgb(87, 81, 14).
Aa
White text reads best on this color (8.11:1).
About this color
#57510E is a dark, moderately saturated brown. In OKLCH its lightness is 43%, its chroma 0.083 and its hue 104°. Its hue sits on the warm side of the wheel. The nearest named color is Green Brown (#544E03), ΔE 0.012 away. White text reads best on it, at 8.11:1.
| Hue family | Browns |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.083) |
| Temperature | warm |
| Nearest name | Green Brown (#544E03) |
| Black text | 2.58:1 |
| White text | 8.11:1 |
Values
| HEX | #57510E |
| RGB | rgb(87, 81, 14) |
| HSL | hsl(55, 72%, 20%) |
| OKLCH | oklch(42.8% 0.083 104) |
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 #57510E | 8.11:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #57510E | 2.58:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #57510E text on white | 8.11:1 | AAA | Lc 88.0 | Fine for body text |
| #57510E text on black | 2.58:1 | Fails | Lc -14.2 | Not readable |
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 800.
-
Step 50
50
#F6F6F1
oklch(97.2% 0.007 106.5)
-
Step 100
100
#EBEAE0
oklch(93.5% 0.013 102)
-
Step 200
200
#DCDAC6
oklch(88.5% 0.027 102.3)
-
Step 300
300
#C5C39F
oklch(80.9% 0.049 104.8)
-
Step 400
400
#A8A369
oklch(70.6% 0.078 104)
-
Step 500
500
#938C3F
oklch(63% 0.099 104.1)
-
Step 600
600
#7E7619
oklch(55.6% 0.109 104.2)
-
Step 700
700
#6B6308
oklch(49.2% 0.101 103.8)
-
Step 800
800 (this color)
#57510E
oklch(42.8% 0.083 104)
-
Step 900
900
#474315
oklch(37.6% 0.065 104.3)
-
Step 950
950
#2A270E
oklch(26.9% 0.04 102.5)
#57510E 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) | #594E01 | 0.009 |
| Deuteranopia (no green cones) | #5B5113 | 0.008 |
| Tritanopia (no blue cones) | #5E4B45 | 0.076 |
| Achromatopsia (no color) | #505050 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57510E
#57510E
oklch(42.8% 0.083 104)
- #4A487B
#4A487B
oklch(42.8% 0.083 284.1)
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 #57510E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Brown #544E03 ΔE 0.012
- Olive Brown #645403 ΔE 0.025
- Mud Brown #60460F ΔE 0.036
- Army Green #4B5D16 ΔE 0.038
- Camouflage Green #4B6113 ΔE 0.050
- Navy Green #35530A ΔE 0.052
- Greeny Brown #696006 ΔE 0.057
- Camo Green #526525 ΔE 0.058
Use #57510E 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.