#515B39
Closest named color: Army Green (#4B5D16). oklch(45.3% 0.054 121.9), rgb(81, 91, 57).
Aa
White text reads best on this color (7.22:1).
About this color
#515B39 is a medium-dark, muted brown. In OKLCH its lightness is 45%, its chroma 0.054 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Army Green (#4B5D16), ΔE 0.044 away. White text reads best on it, at 7.22:1.
| Hue family | Browns |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.054) |
| Temperature | in between |
| Nearest name | Army Green (#4B5D16) |
| Black text | 2.90:1 |
| White text | 7.22:1 |
Values
| HEX | #515B39 |
| RGB | rgb(81, 91, 57) |
| HSL | hsl(78, 23%, 29%) |
| OKLCH | oklch(45.3% 0.054 121.9) |
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 #515B39 | 7.22:1 | AAA | Lc -90.0 | Fine for body text |
| Black text on #515B39 | 2.90:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #515B39 text on white | 7.22:1 | AAA | Lc 85.1 | Fine for body text |
| #515B39 text on black | 2.90:1 | 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
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#E9EBE4
oklch(93.7% 0.01 119.6)
-
Step 200
200
#D7DBCF
oklch(88.5% 0.017 121.8)
-
Step 300
300
#BDC4AE
oklch(80.9% 0.031 121.5)
-
Step 400
400
#9BA683
oklch(70.7% 0.051 121.9)
-
Step 500
500
#839064
oklch(63.1% 0.064 121.6)
-
Step 600
600
#6C7A4B
oklch(55.6% 0.07 122.2)
-
Step 700
700
#5A673C
oklch(49.1% 0.066 122.5)
-
Step 800
800 (this color)
#515B39
oklch(45.3% 0.054 121.9)
-
Step 900
900
#3E452C
oklch(37.7% 0.041 121.1)
-
Step 950
950
#24291A
oklch(27.1% 0.027 123.2)
#515B39 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) | #5F5737 | 0.024 |
| Deuteranopia (no green cones) | #5E573B | 0.024 |
| Tritanopia (no blue cones) | #545852 | 0.043 |
| Achromatopsia (no color) | #575757 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #515B39
#515B39
oklch(45.3% 0.054 121.9)
- #5B4F6F
#5B4F6F
oklch(45.2% 0.053 301.5)
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 #515B39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Army Green #4B5D16 ΔE 0.044
- Camo Green #526525 ΔE 0.045
- Olive Brown #645403 ΔE 0.049
- Pine #2B5D34 ΔE 0.049
- Camouflage Green #4B6113 ΔE 0.051
- Green Brown #544E03 ΔE 0.053
- Dark Olive Green #556B2F ΔE 0.056
- Greeny Brown #696006 ΔE 0.059
Use #515B39 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.