#51420D
Closest named color: Mud Brown (#60460F). oklch(38.4% 0.071 92.3), rgb(81, 66, 13).
Aa
White text reads best on this color (9.83:1).
About this color
#51420D is a dark, moderately saturated brown. In OKLCH its lightness is 38%, its chroma 0.071 and its hue 92°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.032 away. White text reads best on it, at 9.83:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.13:1 |
| White text | 9.83:1 |
Values
| HEX | #51420D |
| RGB | rgb(81, 66, 13) |
| HSL | hsl(47, 72%, 18%) |
| OKLCH | oklch(38.4% 0.071 92.3) |
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 #51420D | 9.83:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #51420D | 2.13:1 | Fails | Lc 11.2 | Not readable |
| #51420D text on white | 9.83:1 | AAA | Lc 92.7 | Preferred for body text |
| #51420D text on black | 2.13:1 | Fails | Lc -9.7 | 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
#F7F5F0
oklch(97% 0.007 88.6)
-
Step 100
100
#EDEADF
oklch(93.6% 0.015 94.2)
-
Step 200
200
#E0D9C4
oklch(88.5% 0.029 91.7)
-
Step 300
300
#CDC09A
oklch(80.9% 0.053 91.4)
-
Step 400
400
#B39F61
oklch(70.6% 0.085 92.1)
-
Step 500
500
#A18730
oklch(63.1% 0.109 92.1)
-
Step 600
600
#8B7000
oklch(55.5% 0.114 92)
-
Step 700
700
#755E00
oklch(49.1% 0.1 92.1)
-
Step 800
800
#604D00
oklch(42.7% 0.087 92.5)
-
Step 900
900 (this color)
#51420D
oklch(38.4% 0.071 92.3)
-
Step 950
950
#2E2609
oklch(27.1% 0.045 93.6)
#51420D 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) | #4A4104 | 0.015 |
| Deuteranopia (no green cones) | #4E4510 | 0.010 |
| Tritanopia (no blue cones) | #583C38 | 0.065 |
| Achromatopsia (no color) | #434343 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51420D
#51420D
oklch(38.4% 0.071 92.3)
- #374169
#374169
oklch(38.6% 0.069 272.1)
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 #51420D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.032
- Green Brown #544E03 ΔE 0.039
- Dark Olive #373E02 ΔE 0.051
- Navy Green #35530A ΔE 0.067
- Olive Brown #645403 ΔE 0.067
- Charcoal Grey #3C4142 ΔE 0.076
- Army Green #4B5D16 ΔE 0.082
- Pakistan Green #283618 ΔE 0.085
Use #51420D 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.