#555B15
Closest named color: Army Green (#4B5D16). oklch(45.2% 0.091 114.3), rgb(85, 91, 21).
Aa
White text reads best on this color (7.25:1).
About this color
#555B15 is a medium-dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.091 and its hue 114°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Army Green (#4B5D16), ΔE 0.016 away. White text reads best on it, at 7.25:1.
| Hue family | Browns |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Army Green (#4B5D16) |
| Black text | 2.89:1 |
| White text | 7.25:1 |
Values
| HEX | #555B15 |
| RGB | rgb(85, 91, 21) |
| HSL | hsl(65, 63%, 22%) |
| OKLCH | oklch(45.2% 0.091 114.3) |
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 #555B15 | 7.25:1 | AAA | Lc -90.0 | Fine for body text |
| Black text on #555B15 | 2.89:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #555B15 text on white | 7.25:1 | AAA | Lc 85.1 | Fine for body text |
| #555B15 text on black | 2.89:1 | Fails | Lc -16.9 | 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
#F5F6F1
oklch(97.1% 0.007 115.7)
-
Step 100
100
#E9EBE0
oklch(93.6% 0.015 115)
-
Step 200
200
#D8DCC6
oklch(88.5% 0.03 115.4)
-
Step 300
300
#BFC59E
oklch(80.9% 0.053 114.7)
-
Step 400
400
#9FA768
oklch(70.7% 0.085 114.5)
-
Step 500
500
#88913D
oklch(63.1% 0.109 114.7)
-
Step 600
600
#727A15
oklch(55.5% 0.118 114.4)
-
Step 700
700
#606703
oklch(49.1% 0.109 114.4)
-
Step 800
800 (this color)
#555B15
oklch(45.2% 0.091 114.3)
-
Step 900
900
#414614
oklch(37.8% 0.071 114.7)
-
Step 950
950
#26290D
oklch(27% 0.045 114.6)
#555B15 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) | #625608 | 0.023 |
| Deuteranopia (no green cones) | #62571B | 0.026 |
| Tritanopia (no blue cones) | #5B554D | 0.080 |
| Achromatopsia (no color) | #575757 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #555B15
#555B15
oklch(45.2% 0.091 114.3)
- #594B83
#594B83
oklch(45.2% 0.09 294)
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 #555B15, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Army Green #4B5D16 ΔE 0.016
- Camouflage Green #4B6113 ΔE 0.023
- Olive Brown #645403 ΔE 0.029
- Camo Green #526525 ΔE 0.029
- Greeny Brown #696006 ΔE 0.037
- Green Brown #544E03 ΔE 0.038
- Mud Green #606602 ΔE 0.041
- Dark Olive Green #556B2F ΔE 0.048
Use #555B15 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.