#51641D
Closest named color: Camo Green (#526525). oklch(47.2% 0.098 123.1), rgb(81, 100, 29).
Aa
White text reads best on this color (6.58:1).
About this color
#51641D is a medium-dark, moderately saturated brown. In OKLCH its lightness is 47%, its chroma 0.098 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Camo Green (#526525), ΔE 0.008 away. White text reads best on it, at 6.58:1.
| Hue family | Browns |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Camo Green (#526525) |
| Black text | 3.19:1 |
| White text | 6.58:1 |
Values
| HEX | #51641D |
| RGB | rgb(81, 100, 29) |
| HSL | hsl(76, 55%, 25%) |
| OKLCH | oklch(47.2% 0.098 123.1) |
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 #51641D | 6.58:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #51641D | 3.19:1 | AA large text | Lc 21.6 | Dividers and decoration only |
| #51641D text on white | 6.58:1 | AA | Lc 82.5 | Fine for body text |
| #51641D text on black | 3.19:1 | AA large text | Lc -19.4 | 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 700.
-
Step 50
50
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E8EBE2
oklch(93.5% 0.012 121.7)
-
Step 200
200
#D6DCC9
oklch(88.5% 0.026 121.2)
-
Step 300
300
#BAC6A5
oklch(80.8% 0.047 123.7)
-
Step 400
400
#97A974
oklch(70.7% 0.076 123.6)
-
Step 500
500
#7E934E
oklch(63% 0.097 123.1)
-
Step 600
600
#687D31
oklch(55.6% 0.105 122.8)
-
Step 700
700 (this color)
#51641D
oklch(47.2% 0.098 123.1)
-
Step 800
800
#47561F
oklch(42.7% 0.081 122.7)
-
Step 900
900
#3B471F
oklch(37.7% 0.063 123.2)
-
Step 950
950
#232A13
oklch(27.1% 0.04 123)
#51641D 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) | #6A5E13 | 0.040 |
| Deuteranopia (no green cones) | #685D23 | 0.042 |
| Tritanopia (no blue cones) | #555F56 | 0.082 |
| Achromatopsia (no color) | #5D5D5D | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51641D
#51641D
oklch(47.2% 0.098 123.1)
- #674C88
#674C88
oklch(47.1% 0.098 303.6)
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 #51641D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Camo Green #526525 ΔE 0.008
- Camouflage Green #4B6113 ΔE 0.015
- Army Green #4B5D16 ΔE 0.024
- Dark Olive Green #556B2F ΔE 0.025
- Mud Green #606602 ΔE 0.026
- Greeny Brown #696006 ΔE 0.036
- Dark Moss Green #606C38 ΔE 0.043
- Olive Brown #645403 ΔE 0.051
Use #51641D 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.