#57591D
Closest named color: Army Green (#4B5D16). oklch(44.9% 0.081 111.1), rgb(87, 89, 29).
Aa
White text reads best on this color (7.36:1).
About this color
#57591D is a dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.081 and its hue 111°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Army Green (#4B5D16), ΔE 0.024 away. White text reads best on it, at 7.36:1.
| Hue family | Browns |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Army Green (#4B5D16) |
| Black text | 2.85:1 |
| White text | 7.36:1 |
Values
| HEX | #57591D |
| RGB | rgb(87, 89, 29) |
| HSL | hsl(62, 51%, 23%) |
| OKLCH | oklch(44.9% 0.081 111.1) |
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 #57591D | 7.36:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #57591D | 2.85:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #57591D text on white | 7.36:1 | AAA | Lc 85.5 | Fine for body text |
| #57591D text on black | 2.85:1 | Fails | Lc -16.5 | 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 800.
-
Step 50
50
#F5F6F1
oklch(97.1% 0.007 115.7)
-
Step 100
100
#EAEBE1
oklch(93.7% 0.013 111.3)
-
Step 200
200
#D9DBC7
oklch(88.4% 0.027 111.6)
-
Step 300
300
#C1C4A1
oklch(80.9% 0.048 111.4)
-
Step 400
400
#A2A56E
oklch(70.6% 0.075 110.8)
-
Step 500
500
#8C8F45
oklch(63.1% 0.097 111)
-
Step 600
600
#767924
oklch(55.7% 0.106 111.4)
-
Step 700
700
#636516
oklch(49% 0.098 111)
-
Step 800
800 (this color)
#57591D
oklch(44.9% 0.081 111.1)
-
Step 900
900
#434519
oklch(37.8% 0.064 111.5)
-
Step 950
950
#272810
oklch(26.9% 0.04 110.9)
#57591D 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) | #605515 | 0.017 |
| Deuteranopia (no green cones) | #605721 | 0.017 |
| Tritanopia (no blue cones) | #5D534D | 0.074 |
| Achromatopsia (no color) | #565656 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57591D
#57591D
oklch(44.9% 0.081 111.1)
- #554C7F
#554C7F
oklch(44.8% 0.082 290.8)
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 #57591D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Army Green #4B5D16 ΔE 0.024
- Olive Brown #645403 ΔE 0.025
- Camouflage Green #4B6113 ΔE 0.033
- Green Brown #544E03 ΔE 0.034
- Camo Green #526525 ΔE 0.035
- Greeny Brown #696006 ΔE 0.040
- Mud Green #606602 ΔE 0.048
- Mud #735C12 ΔE 0.049
Use #57591D 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.