#515121
Closest named color: Green Brown (#544E03). oklch(42.4% 0.068 109), rgb(81, 81, 33).
Aa
White text reads best on this color (8.23:1).
About this color
#515121 is a dark, muted brown. In OKLCH its lightness is 42%, its chroma 0.068 and its hue 109°. Its hue sits on the warm side of the wheel. The nearest named color is Green Brown (#544E03), ΔE 0.020 away. White text reads best on it, at 8.23:1.
| Hue family | Browns |
| Lightness | dark (42%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Green Brown (#544E03) |
| Black text | 2.54:1 |
| White text | 8.23:1 |
Values
| HEX | #515121 |
| RGB | rgb(81, 81, 33) |
| HSL | hsl(60, 42%, 22%) |
| OKLCH | oklch(42.4% 0.068 109) |
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 #515121 | 8.23:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #515121 | 2.54:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #515121 text on white | 8.23:1 | AAA | Lc 88.4 | Fine for body text |
| #515121 text on black | 2.54:1 | Fails | Lc -13.7 | Not readable |
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
#EAEBE2
oklch(93.7% 0.012 111.8)
-
Step 200
200
#DADBCA
oklch(88.6% 0.023 109.6)
-
Step 300
300
#C2C3A6
oklch(80.9% 0.04 108.9)
-
Step 400
400
#A3A476
oklch(70.6% 0.063 109)
-
Step 500
500
#8D8E51
oklch(63.2% 0.083 109.4)
-
Step 600
600
#777735
oklch(55.5% 0.088 109)
-
Step 700
700
#646427
oklch(49% 0.083 109.1)
-
Step 800
800 (this color)
#515121
oklch(42.4% 0.068 109)
-
Step 900
900
#444421
oklch(37.8% 0.053 108.7)
-
Step 950
950
#282814
oklch(27.1% 0.034 108.5)
#515121 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) | #574E1C | 0.012 |
| Deuteranopia (no green cones) | #584F24 | 0.014 |
| Tritanopia (no blue cones) | #574C46 | 0.061 |
| Achromatopsia (no color) | #4F4F4F | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #515121
#515121
oklch(42.4% 0.068 109)
- #4D4871
#4D4871
oklch(42.5% 0.067 288.8)
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 #515121, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Brown #544E03 ΔE 0.020
- Mud Brown #60460F ΔE 0.037
- Olive Brown #645403 ΔE 0.038
- Army Green #4B5D16 ΔE 0.042
- Navy Green #35530A ΔE 0.050
- Pine #2B5D34 ΔE 0.055
- Camouflage Green #4B6113 ΔE 0.055
- Camo Green #526525 ΔE 0.061
Use #515121 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.