#59591B
Closest named color: Olive Brown (#645403). oklch(45.1% 0.083 109.3), rgb(89, 89, 27).
Aa
White text reads best on this color (7.31:1).
About this color
#59591B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.083 and its hue 109°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.022 away. White text reads best on it, at 7.31:1.
| Hue family | Browns |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.083) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.86:1 |
| White text | 7.31:1 |
Values
| HEX | #59591B |
| RGB | rgb(89, 89, 27) |
| HSL | hsl(60, 53%, 23%) |
| OKLCH | oklch(45.1% 0.083 109.3) |
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 #59591B | 7.31:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #59591B | 2.86:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #59591B text on white | 7.31:1 | AAA | Lc 85.4 | Fine for body text |
| #59591B text on black | 2.86:1 | Fails | Lc -16.7 | 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
#F6F6F1
oklch(97.2% 0.007 106.5)
-
Step 100
100
#EAEBE0
oklch(93.6% 0.015 110.9)
-
Step 200
200
#DADBC7
oklch(88.5% 0.027 109.3)
-
Step 300
300
#C2C4A0
oklch(80.9% 0.049 110.1)
-
Step 400
400
#A4A56C
oklch(70.7% 0.077 109.1)
-
Step 500
500
#8E8E43
oklch(63% 0.098 108.9)
-
Step 600
600
#787820
oklch(55.6% 0.107 109.4)
-
Step 700
700
#656511
oklch(49.1% 0.1 109.6)
-
Step 800
800 (this color)
#59591B
oklch(45.1% 0.083 109.3)
-
Step 900
900
#444418
oklch(37.6% 0.064 109.1)
-
Step 950
950
#28280F
oklch(27% 0.041 108.8)
#59591B 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) | #605513 | 0.015 |
| Deuteranopia (no green cones) | #61571F | 0.016 |
| Tritanopia (no blue cones) | #60534C | 0.074 |
| Achromatopsia (no color) | #565656 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59591B
#59591B
oklch(45.1% 0.083 109.3)
- #544D80
#544D80
oklch(45% 0.082 288.9)
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 #59591B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.022
- Army Green #4B5D16 ΔE 0.026
- Camouflage Green #4B6113 ΔE 0.034
- Camo Green #526525 ΔE 0.035
- Green Brown #544E03 ΔE 0.035
- Greeny Brown #696006 ΔE 0.037
- Mud #735C12 ΔE 0.046
- Mud Green #606602 ΔE 0.046
Use #59591B 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.