#515F37
Closest named color: Camo Green (#526525). oklch(46.3% 0.063 124.5), rgb(81, 95, 55).
Aa
White text reads best on this color (6.90:1).
About this color
#515F37 is a medium-dark, muted brown. In OKLCH its lightness is 46%, its chroma 0.063 and its hue 125°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Camo Green (#526525), ΔE 0.032 away. White text reads best on it, at 6.90:1.
| Hue family | Browns |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Camo Green (#526525) |
| Black text | 3.04:1 |
| White text | 6.90:1 |
Values
| HEX | #515F37 |
| RGB | rgb(81, 95, 55) |
| HSL | hsl(81, 27%, 29%) |
| OKLCH | oklch(46.3% 0.063 124.5) |
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 #515F37 | 6.90:1 | AA | Lc -88.8 | Fine for body text |
| Black text on #515F37 | 3.04:1 | AA large text | Lc 20.2 | Dividers and decoration only |
| #515F37 text on white | 6.90:1 | AA | Lc 83.9 | Fine for body text |
| #515F37 text on black | 3.04:1 | AA large text | Lc -18.1 | 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 700.
-
Step 50
50
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#E8EBE5
oklch(93.6% 0.009 128.6)
-
Step 200
200
#D6DBCF
oklch(88.4% 0.017 125.3)
-
Step 300
300
#BCC4AF
oklch(80.8% 0.03 124.1)
-
Step 400
400
#9AA685
oklch(70.7% 0.048 123.9)
-
Step 500
500
#819067
oklch(63% 0.061 124.4)
-
Step 600
600
#6A7A4E
oklch(55.5% 0.067 124.8)
-
Step 700
700 (this color)
#515F37
oklch(46.3% 0.063 124.5)
-
Step 800
800
#495434
oklch(42.7% 0.052 124)
-
Step 900
900
#3D452D
oklch(37.6% 0.04 123.3)
-
Step 950
950
#24291B
oklch(27.1% 0.026 124.1)
#515F37 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) | #635A34 | 0.030 |
| Deuteranopia (no green cones) | #615A39 | 0.029 |
| Tritanopia (no blue cones) | #545B55 | 0.051 |
| Achromatopsia (no color) | #5A5A5A | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #515F37
#515F37
oklch(46.3% 0.063 124.5)
- #615075
#615075
oklch(46.3% 0.062 305.1)
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 #515F37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Camo Green #526525 ΔE 0.032
- Army Green #4B5D16 ΔE 0.037
- Camouflage Green #4B6113 ΔE 0.042
- Dark Olive Green #556B2F ΔE 0.042
- Dark Moss Green #606C38 ΔE 0.048
- Pine #2B5D34 ΔE 0.049
- Olive Brown #645403 ΔE 0.049
- Greeny Brown #696006 ΔE 0.051
Use #515F37 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.