#515B33
Closest named color: Army Green (#4B5D16). oklch(45.2% 0.061 120.4), rgb(81, 91, 51).
Aa
White text reads best on this color (7.25:1).
About this color
#515B33 is a medium-dark, muted brown. In OKLCH its lightness is 45%, its chroma 0.061 and its hue 120°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Army Green (#4B5D16), ΔE 0.036 away. White text reads best on it, at 7.25:1.
| Hue family | Browns |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.061) |
| Temperature | in between |
| Nearest name | Army Green (#4B5D16) |
| Black text | 2.89:1 |
| White text | 7.25:1 |
Values
| HEX | #515B33 |
| RGB | rgb(81, 91, 51) |
| HSL | hsl(75, 28%, 28%) |
| OKLCH | oklch(45.2% 0.061 120.4) |
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 #515B33 | 7.25:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #515B33 | 2.89:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #515B33 text on white | 7.25:1 | AAA | Lc 85.2 | Fine for body text |
| #515B33 text on black | 2.89:1 | Fails | Lc -16.8 | 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
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#E9EBE3
oklch(93.6% 0.011 118)
-
Step 200
200
#D7DBCD
oklch(88.4% 0.019 119.8)
-
Step 300
300
#BDC4AB
oklch(80.8% 0.035 119.9)
-
Step 400
400
#9BA67E
oklch(70.6% 0.057 120.4)
-
Step 500
500
#83905D
oklch(63% 0.073 120.2)
-
Step 600
600
#6D7A43
oklch(55.5% 0.079 119.9)
-
Step 700
700
#5B6735
oklch(49.1% 0.074 120.3)
-
Step 800
800 (this color)
#515B33
oklch(45.2% 0.061 120.4)
-
Step 900
900
#3E4528
oklch(37.6% 0.047 119.8)
-
Step 950
950
#242918
oklch(27.1% 0.031 121.8)
#515B33 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) | #605730 | 0.025 |
| Deuteranopia (no green cones) | #5E5735 | 0.024 |
| Tritanopia (no blue cones) | #545751 | 0.051 |
| Achromatopsia (no color) | #575757 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #515B33
#515B33
oklch(45.2% 0.061 120.4)
- #5B4E73
#5B4E73
oklch(45.2% 0.061 300.1)
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 #515B33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Army Green #4B5D16 ΔE 0.036
- Camo Green #526525 ΔE 0.040
- Olive Brown #645403 ΔE 0.043
- Camouflage Green #4B6113 ΔE 0.044
- Pine #2B5D34 ΔE 0.047
- Green Brown #544E03 ΔE 0.048
- Dark Olive Green #556B2F ΔE 0.052
- Greeny Brown #696006 ΔE 0.054
Use #515B33 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.