#5A510F
Closest named color: Green Brown (#544E03). oklch(43.1% 0.083 101.1), rgb(90, 81, 15).
Aa
White text reads best on this color (8.01:1).
About this color
#5A510F is a dark, moderately saturated brown. In OKLCH its lightness is 43%, its chroma 0.083 and its hue 101°. Its hue sits on the warm side of the wheel. The nearest named color is Green Brown (#544E03), ΔE 0.016 away. White text reads best on it, at 8.01:1.
| Hue family | Browns |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.083) |
| Temperature | warm |
| Nearest name | Green Brown (#544E03) |
| Black text | 2.61:1 |
| White text | 8.01:1 |
Values
| HEX | #5A510F |
| RGB | rgb(90, 81, 15) |
| HSL | hsl(53, 71%, 21%) |
| OKLCH | oklch(43.1% 0.083 101.1) |
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 #5A510F | 8.01:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #5A510F | 2.61:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #5A510F text on white | 8.01:1 | AAA | Lc 87.7 | Fine for body text |
| #5A510F text on black | 2.61:1 | Fails | Lc -14.5 | 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
#ECEAE0
oklch(93.6% 0.013 97.4)
-
Step 200
200
#DDDAC6
oklch(88.5% 0.027 99.9)
-
Step 300
300
#C7C29F
oklch(80.9% 0.048 100.6)
-
Step 400
400
#ABA269
oklch(70.6% 0.077 100.4)
-
Step 500
500
#968B3E
oklch(63% 0.099 101.3)
-
Step 600
600
#817518
oklch(55.7% 0.108 101.5)
-
Step 700
700
#6D6207
oklch(49.2% 0.1 101.5)
-
Step 800
800 (this color)
#5A510F
oklch(43.1% 0.083 101.1)
-
Step 900
900
#494215
oklch(37.6% 0.064 100.4)
-
Step 950
950
#2B270E
oklch(27% 0.04 100.4)
#5A510F 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) | #5A4E02 | 0.010 |
| Deuteranopia (no green cones) | #5C5214 | 0.006 |
| Tritanopia (no blue cones) | #624A45 | 0.077 |
| Achromatopsia (no color) | #505050 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A510F
#5A510F
oklch(43.1% 0.083 101.1)
- #484A7C
#484A7C
oklch(43.1% 0.082 280.6)
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 #5A510F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Brown #544E03 ΔE 0.016
- Olive Brown #645403 ΔE 0.021
- Mud Brown #60460F ΔE 0.034
- Army Green #4B5D16 ΔE 0.040
- Camouflage Green #4B6113 ΔE 0.051
- Greeny Brown #696006 ΔE 0.054
- Mud #735C12 ΔE 0.057
- Navy Green #35530A ΔE 0.058
Use #5A510F 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.