#555B2B
Closest named color: Army Green (#4B5D16). oklch(45.4% 0.07 115.1), rgb(85, 91, 43).
Aa
White text reads best on this color (7.19:1).
About this color
#555B2B is a medium-dark, muted brown. In OKLCH its lightness is 45%, its chroma 0.070 and its hue 115°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Army Green (#4B5D16), ΔE 0.030 away. White text reads best on it, at 7.19:1.
| Hue family | Browns |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.070) |
| Temperature | in between |
| Nearest name | Army Green (#4B5D16) |
| Black text | 2.91:1 |
| White text | 7.19:1 |
Values
| HEX | #555B2B |
| RGB | rgb(85, 91, 43) |
| HSL | hsl(68, 36%, 26%) |
| OKLCH | oklch(45.4% 0.07 115.1) |
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 #555B2B | 7.19:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #555B2B | 2.91:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #555B2B text on white | 7.19:1 | AAA | Lc 85.0 | Fine for body text |
| #555B2B text on black | 2.91:1 | Fails | Lc -17.1 | 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
#E9EBE2
oklch(93.6% 0.012 116.8)
-
Step 200
200
#D8DBCA
oklch(88.4% 0.023 115)
-
Step 300
300
#BFC4A6
oklch(80.8% 0.041 115)
-
Step 400
400
#9FA677
oklch(70.8% 0.065 115)
-
Step 500
500
#889053
oklch(63.2% 0.084 115)
-
Step 600
600
#717A37
oklch(55.7% 0.092 115.8)
-
Step 700
700
#5F6629
oklch(49% 0.084 115)
-
Step 800
800 (this color)
#555B2B
oklch(45.4% 0.07 115.1)
-
Step 900
900
#404522
oklch(37.6% 0.054 115.7)
-
Step 950
950
#262814
oklch(26.9% 0.034 113.4)
#555B2B 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) | #615727 | 0.021 |
| Deuteranopia (no green cones) | #60582E | 0.021 |
| Tritanopia (no blue cones) | #5A5650 | 0.062 |
| Achromatopsia (no color) | #575757 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #555B2B
#555B2B
oklch(45.4% 0.07 115.1)
- #594E79
#594E79
oklch(45.3% 0.07 295.2)
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 #555B2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Army Green #4B5D16 ΔE 0.030
- Camo Green #526525 ΔE 0.034
- Olive Brown #645403 ΔE 0.034
- Camouflage Green #4B6113 ΔE 0.037
- Green Brown #544E03 ΔE 0.043
- Greeny Brown #696006 ΔE 0.045
- Dark Olive Green #556B2F ΔE 0.048
- Mud #735C12 ΔE 0.051
Use #555B2B 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.