#555018
Closest named color: Green Brown (#544E03). oklch(42.4% 0.075 104.2), rgb(85, 80, 24).
Aa
White text reads best on this color (8.24:1).
About this color
#555018 is a dark, moderately saturated brown. In OKLCH its lightness is 42%, its chroma 0.075 and its hue 104°. Its hue sits on the warm side of the wheel. The nearest named color is Green Brown (#544E03), ΔE 0.013 away. White text reads best on it, at 8.24:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Green Brown (#544E03) |
| Black text | 2.54:1 |
| White text | 8.24:1 |
Values
| HEX | #555018 |
| RGB | rgb(85, 80, 24) |
| HSL | hsl(55, 56%, 21%) |
| OKLCH | oklch(42.4% 0.075 104.2) |
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 #555018 | 8.24:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #555018 | 2.54:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #555018 text on white | 8.24:1 | AAA | Lc 88.4 | Fine for body text |
| #555018 text on black | 2.54:1 | Fails | Lc -13.8 | 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
#F6F6F1
oklch(97.2% 0.007 106.5)
-
Step 100
100
#EBEAE1
oklch(93.5% 0.012 101.5)
-
Step 200
200
#DBDAC8
oklch(88.4% 0.024 104.3)
-
Step 300
300
#C5C3A2
oklch(81% 0.045 104.5)
-
Step 400
400
#A7A36F
oklch(70.6% 0.071 104.3)
-
Step 500
500
#928C48
oklch(63% 0.09 104.2)
-
Step 600
600
#7D7628
oklch(55.6% 0.098 104.2)
-
Step 700
700
#69631B
oklch(49.1% 0.091 104.5)
-
Step 800
800 (this color)
#555018
oklch(42.4% 0.075 104.2)
-
Step 900
900
#47431B
oklch(37.7% 0.059 103.6)
-
Step 950
950
#292711
oklch(26.9% 0.036 104)
#555018 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 | 0.009 |
| Deuteranopia (no green cones) | #59501B | 0.008 |
| Tritanopia (no blue cones) | #5C4A45 | 0.070 |
| Achromatopsia (no color) | #4F4F4F | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #555018
#555018
oklch(42.4% 0.075 104.2)
- #494876
#494876
oklch(42.4% 0.076 283.7)
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 #555018, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Brown #544E03 ΔE 0.013
- Olive Brown #645403 ΔE 0.031
- Mud Brown #60460F ΔE 0.032
- Army Green #4B5D16 ΔE 0.042
- Navy Green #35530A ΔE 0.052
- Camouflage Green #4B6113 ΔE 0.055
- Pine #2B5D34 ΔE 0.061
- Camo Green #526525 ΔE 0.062
Use #555018 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.