#554C18
Closest named color: Green Brown (#544E03). oklch(41.4% 0.071 99.4), rgb(85, 76, 24).
Aa
White text reads best on this color (8.63:1).
About this color
#554C18 is a dark, moderately saturated brown. In OKLCH its lightness is 41%, its chroma 0.071 and its hue 99°. Its hue sits on the warm side of the wheel. The nearest named color is Green Brown (#544E03), ΔE 0.017 away. White text reads best on it, at 8.63:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Green Brown (#544E03) |
| Black text | 2.43:1 |
| White text | 8.63:1 |
Values
| HEX | #554C18 |
| RGB | rgb(85, 76, 24) |
| HSL | hsl(51, 56%, 21%) |
| OKLCH | oklch(41.4% 0.071 99.4) |
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 #554C18 | 8.63:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #554C18 | 2.43:1 | Fails | Lc 14.4 | Not readable |
| #554C18 text on white | 8.63:1 | AAA | Lc 89.6 | Fine for body text |
| #554C18 text on black | 2.43:1 | Fails | Lc -12.7 | 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
#ECEAE1
oklch(93.6% 0.012 96.4)
-
Step 200
200
#DCDAC9
oklch(88.5% 0.023 101.4)
-
Step 300
300
#C7C2A3
oklch(81% 0.042 99.7)
-
Step 400
400
#AAA271
oklch(70.7% 0.067 100)
-
Step 500
500
#968B4B
oklch(63.2% 0.086 99.7)
-
Step 600
600
#81742D
oklch(55.6% 0.092 98.9)
-
Step 700
700
#6D611F
oklch(49.1% 0.086 98.8)
-
Step 800
800 (this color)
#554C18
oklch(41.4% 0.071 99.4)
-
Step 900
900
#49421D
oklch(37.7% 0.055 98.8)
-
Step 950
950
#2B2712
oklch(27.1% 0.035 98.8)
#554C18 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) | #544A11 | 0.008 |
| Deuteranopia (no green cones) | #564D1B | 0.004 |
| Tritanopia (no blue cones) | #5C4641 | 0.065 |
| Achromatopsia (no color) | #4C4C4C | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #554C18
#554C18
oklch(41.4% 0.071 99.4)
- #444772
#444772
oklch(41.5% 0.072 279.7)
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 #554C18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Brown #544E03 ΔE 0.017
- Mud Brown #60460F ΔE 0.024
- Olive Brown #645403 ΔE 0.040
- Army Green #4B5D16 ΔE 0.054
- Navy Green #35530A ΔE 0.056
- Camouflage Green #4B6113 ΔE 0.067
- Pine #2B5D34 ΔE 0.068
- Dark Olive #373E02 ΔE 0.073
Use #554C18 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.