#37511E
Closest named color: Navy Green (#35530A). oklch(40.1% 0.083 131.8), rgb(55, 81, 30).
Aa
White text reads best on this color (8.90:1).
About this color
#37511E is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.083 and its hue 132°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.020 away. White text reads best on it, at 8.90:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.35:1 |
| White text | 8.90:1 |
Values
| HEX | #37511E |
| RGB | rgb(55, 81, 30) |
| HSL | hsl(91, 46%, 22%) |
| OKLCH | oklch(40.1% 0.083 131.8) |
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 #37511E | 8.90:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #37511E | 2.35:1 | Fails | Lc 13.7 | Not readable |
| #37511E text on white | 8.90:1 | AAA | Lc 90.3 | Preferred for body text |
| #37511E text on black | 2.35:1 | Fails | Lc -12.0 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E5EDE0
oklch(93.6% 0.019 133.1)
-
Step 200
200
#D1DEC7
oklch(88.4% 0.034 131.4)
-
Step 300
300
#B2CAA0
oklch(81% 0.063 132)
-
Step 400
400
#8AAE6C
oklch(70.8% 0.099 131.8)
-
Step 500
500
#6C9942
oklch(63.1% 0.127 131.9)
-
Step 600
600
#54831E
oklch(55.6% 0.138 131.7)
-
Step 700
700
#446F0F
oklch(49.2% 0.129 131.9)
-
Step 800
800
#385A11
oklch(42.6% 0.107 131.8)
-
Step 900
900 (this color)
#37511E
oklch(40.1% 0.083 131.8)
-
Step 950
950
#1D2C0F
oklch(27.1% 0.053 131.7)
#37511E 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) | #554B19 | 0.047 |
| Deuteranopia (no green cones) | #514922 | 0.048 |
| Tritanopia (no blue cones) | #384E46 | 0.062 |
| Achromatopsia (no color) | #4A4A4A | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37511E
#37511E
oklch(40.1% 0.083 131.8)
- #573A68
#573A68
oklch(40.2% 0.082 312.1)
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 #37511E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.020
- Pine #2B5D34 ΔE 0.039
- Green Brown #544E03 ΔE 0.043
- Forest #0B5509 ΔE 0.047
- Spruce #0A5F38 ΔE 0.050
- Army Green #4B5D16 ΔE 0.051
- Deep Green #02590F ΔE 0.051
- Pine Green #0A481E ΔE 0.055
Use #37511E 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.