#555903
Closest named color: Army Green (#4B5D16). oklch(44.5% 0.098 112.8), rgb(85, 89, 3).
Aa
White text reads best on this color (7.45:1).
About this color
#555903 is a dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.098 and its hue 113°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Army Green (#4B5D16), ΔE 0.017 away. White text reads best on it, at 7.45:1.
| Hue family | Browns |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Army Green (#4B5D16) |
| Black text | 2.81:1 |
| White text | 7.45:1 |
Values
| HEX | #555903 |
| RGB | rgb(85, 89, 3) |
| HSL | hsl(63, 93%, 18%) |
| OKLCH | oklch(44.5% 0.098 112.8) |
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 #555903 | 7.45:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #555903 | 2.81:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #555903 text on white | 7.45:1 | AAA | Lc 85.8 | Fine for body text |
| #555903 text on black | 2.81:1 | Fails | Lc -16.3 | 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
#F5F6F0
oklch(97.1% 0.008 114.2)
-
Step 100
100
#EAEBDF
oklch(93.6% 0.016 110.6)
-
Step 200
200
#D9DCC4
oklch(88.6% 0.032 112.8)
-
Step 300
300
#C0C59B
oklch(80.9% 0.057 113.2)
-
Step 400
400
#A1A762
oklch(70.8% 0.092 112.8)
-
Step 500
500
#8A9032
oklch(63% 0.117 112.8)
-
Step 600
600
#757A00
oklch(55.6% 0.124 112.6)
-
Step 700
700
#626600
oklch(49% 0.109 112.4)
-
Step 800
800 (this color)
#555903
oklch(44.5% 0.098 112.8)
-
Step 900
900
#42450C
oklch(37.6% 0.076 112.6)
-
Step 950
950
#27290A
oklch(27.1% 0.048 112.7)
#555903 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) | #615400 | 0.024 |
| Deuteranopia (no green cones) | #61560D | 0.023 |
| Tritanopia (no blue cones) | #5C534B | 0.087 |
| Achromatopsia (no color) | #555555 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #555903
#555903
oklch(44.5% 0.098 112.8)
- #564885
#564885
oklch(44.5% 0.098 292.5)
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 #555903, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Army Green #4B5D16 ΔE 0.017
- Camouflage Green #4B6113 ΔE 0.025
- Olive Brown #645403 ΔE 0.028
- Green Brown #544E03 ΔE 0.034
- Camo Green #526525 ΔE 0.036
- Greeny Brown #696006 ΔE 0.041
- Mud Green #606602 ΔE 0.044
- Navy Green #35530A ΔE 0.052
Use #555903 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.