#515B40
Closest named color: Camo Green (#526525). oklch(45.5% 0.044 124.6), rgb(81, 91, 64).
Aa
White text reads best on this color (7.19:1).
About this color
#515B40 is a medium-dark, muted brown. In OKLCH its lightness is 45%, its chroma 0.044 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 0.053 away. White text reads best on it, at 7.19:1.
| Hue family | Browns |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.044) |
| Temperature | in between |
| Nearest name | Camo Green (#526525) |
| Black text | 2.92:1 |
| White text | 7.19:1 |
Values
| HEX | #515B40 |
| RGB | rgb(81, 91, 64) |
| HSL | hsl(82, 17%, 30%) |
| OKLCH | oklch(45.5% 0.044 124.6) |
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 #515B40 | 7.19:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #515B40 | 2.92:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #515B40 text on white | 7.19:1 | AAA | Lc 85.0 | Fine for body text |
| #515B40 text on black | 2.92:1 | Fails | Lc -17.0 | 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
#E9EBE5
oklch(93.7% 0.008 121.6)
-
Step 200
200
#D7DBD1
oklch(88.6% 0.014 124.6)
-
Step 300
300
#BDC4B2
oklch(81% 0.026 124.3)
-
Step 400
400
#9BA58A
oklch(70.6% 0.04 124)
-
Step 500
500
#828F6D
oklch(63% 0.051 124.9)
-
Step 600
600
#6C7954
oklch(55.5% 0.057 123.9)
-
Step 700
700
#5A6645
oklch(49.1% 0.052 124.5)
-
Step 800
800 (this color)
#515B40
oklch(45.5% 0.044 124.6)
-
Step 900
900
#3D4531
oklch(37.7% 0.034 125.7)
-
Step 950
950
#24281D
oklch(26.9% 0.02 124)
#515B40 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) | #5E583E | 0.021 |
| Deuteranopia (no green cones) | #5D5741 | 0.022 |
| Tritanopia (no blue cones) | #535854 | 0.036 |
| Achromatopsia (no color) | #575757 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #515B40
#515B40
oklch(45.5% 0.044 124.6)
- #5C516B
#5C516B
oklch(45.6% 0.044 304)
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 #515B40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Camo Green #526525 ΔE 0.053
- Army Green #4B5D16 ΔE 0.053
- Pine #2B5D34 ΔE 0.054
- Olive Brown #645403 ΔE 0.057
- Dark Green Blue #1F6357 ΔE 0.057
- Camouflage Green #4B6113 ΔE 0.061
- Green Brown #544E03 ΔE 0.061
- Dark Olive Green #556B2F ΔE 0.061
Use #515B40 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.