#5B5B25
Closest named color: Olive Brown (#645403). oklch(45.9% 0.075 109), rgb(91, 91, 37).
Aa
White text reads best on this color (7.07:1).
About this color
#5B5B25 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 46%, its chroma 0.075 and its hue 109°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.027 away. White text reads best on it, at 7.07:1.
| Hue family | Browns |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.96:1 |
| White text | 7.07:1 |
Values
| HEX | #5B5B25 |
| RGB | rgb(91, 91, 37) |
| HSL | hsl(60, 42%, 25%) |
| OKLCH | oklch(45.9% 0.075 109) |
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 #5B5B25 | 7.07:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #5B5B25 | 2.96:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #5B5B25 text on white | 7.07:1 | AAA | Lc 84.5 | Fine for body text |
| #5B5B25 text on black | 2.96:1 | Fails | Lc -17.5 | 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
#F6F6F1
oklch(97.2% 0.007 106.5)
-
Step 100
100
#EAEBE1
oklch(93.7% 0.013 111.3)
-
Step 200
200
#DADBC9
oklch(88.6% 0.024 109.5)
-
Step 300
300
#C2C3A3
oklch(80.8% 0.043 108.8)
-
Step 400
400
#A4A571
oklch(70.8% 0.071 109)
-
Step 500
500
#8E8E4B
oklch(63.2% 0.089 108.7)
-
Step 600
600
#78782C
oklch(55.7% 0.098 109.2)
-
Step 700
700
#65651E
oklch(49.2% 0.092 109.3)
-
Step 800
800 (this color)
#5B5B25
oklch(45.9% 0.075 109)
-
Step 900
900
#44441D
oklch(37.7% 0.058 108.9)
-
Step 950
950
#282812
oklch(27.1% 0.037 108.6)
#5B5B25 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) | #62571F | 0.015 |
| Deuteranopia (no green cones) | #635928 | 0.015 |
| Tritanopia (no blue cones) | #61554F | 0.068 |
| Achromatopsia (no color) | #585858 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B5B25
#5B5B25
oklch(45.9% 0.075 109)
- #56507F
#56507F
oklch(45.8% 0.076 288.9)
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 #5B5B25, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.027
- Army Green #4B5D16 ΔE 0.032
- Camo Green #526525 ΔE 0.032
- Greeny Brown #696006 ΔE 0.035
- Camouflage Green #4B6113 ΔE 0.038
- Mud #735C12 ΔE 0.041
- Green Brown #544E03 ΔE 0.044
- Mud Green #606602 ΔE 0.045
Use #5B5B25 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.