#513900
Closest named color: Dark Olive (#373E02). oklch(36.2% 0.075 82.1), rgb(81, 57, 0).
Aa
White text reads best on this color (10.85:1).
About this color
#513900 is a dark, moderately saturated brown. In OKLCH its lightness is 36%, its chroma 0.075 and its hue 82°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.049 away. White text reads best on it, at 10.85:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.93:1 |
| White text | 10.85:1 |
Values
| HEX | #513900 |
| RGB | rgb(81, 57, 0) |
| HSL | hsl(42, 100%, 16%) |
| OKLCH | oklch(36.2% 0.075 82.1) |
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 #513900 | 10.85:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #513900 | 1.93:1 | Fails | Lc 9.0 | Not readable |
| #513900 text on white | 10.85:1 | AAA | Lc 94.9 | Preferred for body text |
| #513900 text on black | 1.93:1 | Fails | Lc -7.7 | 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 900.
-
Step 50
50
#F8F5F0
oklch(97.1% 0.007 80.7)
-
Step 100
100
#EFE9DE
oklch(93.6% 0.016 82.8)
-
Step 200
200
#E3D8C3
oklch(88.5% 0.031 83.6)
-
Step 300
300
#D3BE98
oklch(81% 0.056 82.3)
-
Step 400
400
#BC9B5D
oklch(70.6% 0.089 82.2)
-
Step 500
500
#AC8229
oklch(63.2% 0.115 82.1)
-
Step 600
600
#946B00
oklch(55.5% 0.114 82)
-
Step 700
700
#7D5A00
oklch(49.1% 0.101 82.2)
-
Step 800
800
#674900
oklch(42.7% 0.088 81.6)
-
Step 900
900 (this color)
#513900
oklch(36.2% 0.075 82.1)
-
Step 950
950
#322407
oklch(27.1% 0.048 82.3)
#513900 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) | #433900 | 0.027 |
| Deuteranopia (no green cones) | #484003 | 0.025 |
| Tritanopia (no blue cones) | #59322F | 0.065 |
| Achromatopsia (no color) | #3D3D3D | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513900
#513900
oklch(36.2% 0.075 82.1)
- #283D65
#283D65
oklch(36.3% 0.075 262.3)
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 #513900, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.049
- Mud Brown #60460F ΔE 0.050
- Green Brown #544E03 ΔE 0.064
- Pakistan Green #283618 ΔE 0.075
- Charcoal Grey #3C4142 ΔE 0.080
- Chestnut #742802 ΔE 0.080
- Navy Green #35530A ΔE 0.087
- Onyx #343A40 ΔE 0.089
Use #513900 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.