#37663D
Closest named color: Pine (#2B5D34). oklch(46.5% 0.084 147), rgb(55, 102, 61).
Aa
White text reads best on this color (6.70:1).
About this color
#37663D is a medium-dark, moderately saturated green. In OKLCH its lightness is 47%, its chroma 0.084 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.033 away. White text reads best on it, at 6.70:1.
| Hue family | Greens |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 3.13:1 |
| White text | 6.70:1 |
Values
| HEX | #37663D |
| RGB | rgb(55, 102, 61) |
| HSL | hsl(128, 30%, 31%) |
| OKLCH | oklch(46.5% 0.084 147) |
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 #37663D | 6.70:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #37663D | 3.13:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #37663D text on white | 6.70:1 | AA | Lc 83.0 | Fine for body text |
| #37663D text on black | 3.13:1 | AA large text | Lc -19.0 | 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
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E5ECE5
oklch(93.6% 0.012 145.5)
-
Step 200
200
#D0DDD1
oklch(88.4% 0.021 147.6)
-
Step 300
300
#B0C8B2
oklch(80.9% 0.04 147.5)
-
Step 400
400
#86AC89
oklch(70.7% 0.065 146.9)
-
Step 500
500
#67976C
oklch(63% 0.082 147.1)
-
Step 600
600
#4E8254
oklch(55.7% 0.09 147)
-
Step 700
700 (this color)
#37663D
oklch(46.5% 0.084 147)
-
Step 800
800
#345938
oklch(42.6% 0.069 146.8)
-
Step 900
900
#2E4931
oklch(37.6% 0.052 147.2)
-
Step 950
950
#1B2B1D
oklch(27% 0.034 147.8)
#37663D 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) | #675F3A | 0.066 |
| Deuteranopia (no green cones) | #605A3F | 0.065 |
| Tritanopia (no blue cones) | #30645C | 0.050 |
| Achromatopsia (no color) | #5C5C5C | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37663D
#37663D
oklch(46.5% 0.084 147)
- #724872
#724872
oklch(46.5% 0.084 326.8)
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 #37663D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.033
- Camo Green #526525 ΔE 0.038
- Spruce #0A5F38 ΔE 0.042
- Camouflage Green #4B6113 ΔE 0.042
- Army Green #4B5D16 ΔE 0.043
- Dark Olive Green #556B2F ΔE 0.044
- Dark Green Blue #1F6357 ΔE 0.046
- Dark Moss Green #606C38 ΔE 0.058
Use #37663D 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.