#515D1B
Closest named color: Army Green (#4B5D16). oklch(45.4% 0.09 119), rgb(81, 93, 27).
Aa
White text reads best on this color (7.16:1).
About this color
#515D1B is a medium-dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.090 and its hue 119°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Army Green (#4B5D16), ΔE 0.011 away. White text reads best on it, at 7.16:1.
| Hue family | Browns |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Army Green (#4B5D16) |
| Black text | 2.93:1 |
| White text | 7.16:1 |
Values
| HEX | #515D1B |
| RGB | rgb(81, 93, 27) |
| HSL | hsl(71, 55%, 24%) |
| OKLCH | oklch(45.4% 0.09 119) |
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 #515D1B | 7.16:1 | AAA | Lc -89.7 | Fine for body text |
| Black text on #515D1B | 2.93:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #515D1B text on white | 7.16:1 | AAA | Lc 84.8 | Fine for body text |
| #515D1B text on black | 2.93:1 | Fails | Lc -17.2 | 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
#E8EBE0
oklch(93.5% 0.015 119.1)
-
Step 200
200
#D7DCC7
oklch(88.5% 0.029 117.9)
-
Step 300
300
#BCC6A0
oklch(80.9% 0.053 119.6)
-
Step 400
400
#9BA86B
oklch(70.6% 0.084 118.4)
-
Step 500
500
#829342
oklch(63.2% 0.109 119.5)
-
Step 600
600
#6C7C1E
oklch(55.5% 0.117 118.9)
-
Step 700
700
#5A690F
oklch(49.1% 0.11 119.4)
-
Step 800
800 (this color)
#515D1B
oklch(45.4% 0.09 119)
-
Step 900
900
#3E4717
oklch(37.8% 0.071 118.9)
-
Step 950
950
#24290F
oklch(26.9% 0.044 118.4)
#515D1B 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) | #635812 | 0.030 |
| Deuteranopia (no green cones) | #625820 | 0.032 |
| Tritanopia (no blue cones) | #565850 | 0.077 |
| Achromatopsia (no color) | #585858 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #515D1B
#515D1B
oklch(45.4% 0.09 119)
- #5D4A81
#5D4A81
oklch(45.3% 0.09 298.7)
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 #515D1B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Army Green #4B5D16 ΔE 0.011
- Camouflage Green #4B6113 ΔE 0.018
- Camo Green #526525 ΔE 0.024
- Olive Brown #645403 ΔE 0.036
- Greeny Brown #696006 ΔE 0.040
- Mud Green #606602 ΔE 0.040
- Dark Olive Green #556B2F ΔE 0.043
- Green Brown #544E03 ΔE 0.043
Use #515D1B 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.