#51552E
Closest named color: Green Brown (#544E03). oklch(43.6% 0.059 113.6), rgb(81, 85, 46).
Aa
White text reads best on this color (7.81:1).
About this color
#51552E is a dark, muted brown. In OKLCH its lightness is 44%, its chroma 0.059 and its hue 114°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Brown (#544E03), ΔE 0.036 away. White text reads best on it, at 7.81:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Green Brown (#544E03) |
| Black text | 2.68:1 |
| White text | 7.81:1 |
Values
| HEX | #51552E |
| RGB | rgb(81, 85, 46) |
| HSL | hsl(66, 30%, 26%) |
| OKLCH | oklch(43.6% 0.059 113.6) |
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 #51552E | 7.81:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #51552E | 2.68:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #51552E text on white | 7.81:1 | AAA | Lc 87.1 | Fine for body text |
| #51552E text on black | 2.68:1 | Fails | Lc -15.0 | 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
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#E9EBE3
oklch(93.6% 0.011 118)
-
Step 200
200
#D9DBCD
oklch(88.6% 0.019 113.4)
-
Step 300
300
#C0C3AB
oklch(80.8% 0.033 112.9)
-
Step 400
400
#A0A57E
oklch(70.8% 0.055 113.7)
-
Step 500
500
#898E5D
oklch(63% 0.069 113.1)
-
Step 600
600
#737842
oklch(55.5% 0.076 113.2)
-
Step 700
700
#606534
oklch(49% 0.071 113.8)
-
Step 800
800 (this color)
#51552E
oklch(43.6% 0.059 113.6)
-
Step 900
900
#414427
oklch(37.6% 0.046 113.4)
-
Step 950
950
#262817
oklch(26.9% 0.03 113.9)
#51552E 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) | #5A522B | 0.016 |
| Deuteranopia (no green cones) | #5A5230 | 0.018 |
| Tritanopia (no blue cones) | #55514C | 0.052 |
| Achromatopsia (no color) | #525252 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51552E
#51552E
oklch(43.6% 0.059 113.6)
- #534B6F
#534B6F
oklch(43.6% 0.059 294)
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 #51552E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Brown #544E03 ΔE 0.036
- Olive Brown #645403 ΔE 0.041
- Army Green #4B5D16 ΔE 0.042
- Mud Brown #60460F ΔE 0.048
- Pine #2B5D34 ΔE 0.050
- Camouflage Green #4B6113 ΔE 0.053
- Camo Green #526525 ΔE 0.054
- Navy Green #35530A ΔE 0.059
Use #51552E 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.