#37510D
Closest named color: Navy Green (#35530A). oklch(40% 0.097 128.9), rgb(55, 81, 13).
Aa
White text reads best on this color (8.95:1).
About this color
#37510D is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.097 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.007 away. White text reads best on it, at 8.95:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.34:1 |
| White text | 8.95:1 |
Values
| HEX | #37510D |
| RGB | rgb(55, 81, 13) |
| HSL | hsl(83, 72%, 18%) |
| OKLCH | oklch(40% 0.097 128.9) |
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 #37510D | 8.95:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #37510D | 2.34:1 | Fails | Lc 13.6 | Not readable |
| #37510D text on white | 8.95:1 | AAA | Lc 90.4 | Preferred for body text |
| #37510D text on black | 2.34:1 | Fails | Lc -11.9 | 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
#F3F7F0
oklch(97.1% 0.01 131.4)
-
Step 100
100
#E5EDDE
oklch(93.6% 0.022 130)
-
Step 200
200
#D1DFC3
oklch(88.6% 0.041 129)
-
Step 300
300
#B2CA98
oklch(80.8% 0.073 128.8)
-
Step 400
400
#8AAF5D
oklch(70.8% 0.117 128.9)
-
Step 500
500
#6D9A28
oklch(63.1% 0.149 129)
-
Step 600
600
#588300
oklch(55.7% 0.148 128.9)
-
Step 700
700
#496E00
oklch(49.1% 0.13 129)
-
Step 800
800
#3B5A00
oklch(42.7% 0.113 129)
-
Step 900
900 (this color)
#37510D
oklch(40% 0.097 128.9)
-
Step 950
950
#1D2C07
oklch(27% 0.062 128.9)
#37510D 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) | #554B00 | 0.047 |
| Deuteranopia (no green cones) | #524914 | 0.049 |
| Tritanopia (no blue cones) | #394D44 | 0.076 |
| Achromatopsia (no color) | #494949 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37510D
#37510D
oklch(40% 0.097 128.9)
- #57376F
#57376F
oklch(40% 0.097 309)
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 #37510D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.007
- Forest #0B5509 ΔE 0.039
- Green Brown #544E03 ΔE 0.044
- Deep Green #02590F ΔE 0.044
- Pine #2B5D34 ΔE 0.046
- Army Green #4B5D16 ΔE 0.050
- Bottle Green #044A05 ΔE 0.054
- Spruce #0A5F38 ΔE 0.055
Use #37510D 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.