#5A591A
Closest named color: Olive Brown (#645403). oklch(45.2% 0.083 108.4), rgb(90, 89, 26).
Aa
White text reads best on this color (7.29:1).
About this color
#5A591A is a medium-dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.083 and its hue 108°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.021 away. White text reads best on it, at 7.29:1.
| Hue family | Browns |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.083) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.87:1 |
| White text | 7.29:1 |
Values
| HEX | #5A591A |
| RGB | rgb(90, 89, 26) |
| HSL | hsl(59, 55%, 23%) |
| OKLCH | oklch(45.2% 0.083 108.4) |
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 #5A591A | 7.29:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #5A591A | 2.87:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #5A591A text on white | 7.29:1 | AAA | Lc 85.3 | Fine for body text |
| #5A591A text on black | 2.87:1 | Fails | Lc -16.8 | 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
#C3C4A0
oklch(81% 0.049 108.8)
-
Step 400
400
#A5A56B
oklch(70.8% 0.078 108.2)
-
Step 500
500
#8F8E42
oklch(63.1% 0.099 108.2)
-
Step 600
600
#79781E
oklch(55.7% 0.108 108.8)
-
Step 700
700
#66650F
oklch(49.2% 0.101 108.9)
-
Step 800
800 (this color)
#5A591A
oklch(45.2% 0.083 108.4)
-
Step 900
900
#454417
oklch(37.7% 0.064 107.9)
-
Step 950
950
#28280F
oklch(27% 0.041 108.8)
#5A591A 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) | #615511 | 0.015 |
| Deuteranopia (no green cones) | #62571E | 0.016 |
| Tritanopia (no blue cones) | #61534C | 0.075 |
| Achromatopsia (no color) | #565656 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A591A
#5A591A
oklch(45.2% 0.083 108.4)
- #544D81
#544D81
oklch(45.1% 0.084 288.7)
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 #5A591A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.021
- Army Green #4B5D16 ΔE 0.027
- Camouflage Green #4B6113 ΔE 0.034
- Camo Green #526525 ΔE 0.035
- Green Brown #544E03 ΔE 0.036
- Greeny Brown #696006 ΔE 0.036
- Mud #735C12 ΔE 0.044
- Mud Green #606602 ΔE 0.046
Use #5A591A 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.