#5B4F18
Closest named color: Green Brown (#544E03). oklch(42.8% 0.075 96.7), rgb(91, 79, 24).
Aa
White text reads best on this color (8.15:1).
About this color
#5B4F18 is a dark, moderately saturated brown. In OKLCH its lightness is 43%, its chroma 0.075 and its hue 97°. Its hue sits on the warm side of the wheel. The nearest named color is Green Brown (#544E03), ΔE 0.020 away. White text reads best on it, at 8.15:1.
| Hue family | Browns |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Green Brown (#544E03) |
| Black text | 2.57:1 |
| White text | 8.15:1 |
Values
| HEX | #5B4F18 |
| RGB | rgb(91, 79, 24) |
| HSL | hsl(49, 58%, 23%) |
| OKLCH | oklch(42.8% 0.075 96.7) |
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 #5B4F18 | 8.15:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #5B4F18 | 2.57:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #5B4F18 text on white | 8.15:1 | AAA | Lc 88.1 | Fine for body text |
| #5B4F18 text on black | 2.57:1 | Fails | Lc -14.0 | 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
#F6F5F1
oklch(97% 0.005 95.1)
-
Step 100
100
#ECEAE1
oklch(93.6% 0.012 96.4)
-
Step 200
200
#DDD9C8
oklch(88.4% 0.023 96)
-
Step 300
300
#C8C1A2
oklch(80.8% 0.043 96.7)
-
Step 400
400
#ADA16E
oklch(70.7% 0.07 96.5)
-
Step 500
500
#998A47
oklch(63.2% 0.089 97)
-
Step 600
600
#847327
oklch(55.7% 0.097 96.4)
-
Step 700
700
#6F6019
oklch(49% 0.09 96.8)
-
Step 800
800 (this color)
#5B4F18
oklch(42.8% 0.075 96.7)
-
Step 900
900
#4A421A
oklch(37.8% 0.059 98.1)
-
Step 950
950
#2C2610
oklch(26.9% 0.037 94.5)
#5B4F18 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) | #574D11 | 0.011 |
| Deuteranopia (no green cones) | #5B511B | 0.006 |
| Tritanopia (no blue cones) | #634944 | 0.068 |
| Achromatopsia (no color) | #4F4F4F | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B4F18
#5B4F18
oklch(42.8% 0.075 96.7)
- #454B78
#454B78
oklch(42.8% 0.075 277)
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 #5B4F18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Brown #544E03 ΔE 0.020
- Mud Brown #60460F ΔE 0.026
- Olive Brown #645403 ΔE 0.026
- Army Green #4B5D16 ΔE 0.049
- Mud #735C12 ΔE 0.060
- Camouflage Green #4B6113 ΔE 0.060
- Greeny Brown #696006 ΔE 0.061
- Navy Green #35530A ΔE 0.063
Use #5B4F18 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.