#37633F
Closest named color: Pine (#2B5D34). oklch(45.7% 0.076 148.6), rgb(55, 99, 63).
Aa
White text reads best on this color (6.95:1).
About this color
#37633F is a medium-dark, moderately saturated green. In OKLCH its lightness is 46%, its chroma 0.076 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.027 away. White text reads best on it, at 6.95:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 3.01:1 |
| White text | 6.95:1 |
Values
| HEX | #37633F |
| RGB | rgb(55, 99, 63) |
| HSL | hsl(131, 29%, 30%) |
| OKLCH | oklch(45.7% 0.076 148.6) |
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 #37633F | 6.95:1 | AA | Lc -88.9 | Fine for body text |
| Black text on #37633F | 3.01:1 | AA large text | Lc 20.1 | Dividers and decoration only |
| #37633F text on white | 6.95:1 | AA | Lc 84.0 | Fine for body text |
| #37633F text on black | 3.01:1 | AA large text | Lc -18.0 | 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 800.
-
Step 50
50
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4ECE5
oklch(93.5% 0.013 149.2)
-
Step 200
200
#CFDED0
oklch(88.5% 0.025 147.3)
-
Step 300
300
#AEC9B1
oklch(80.9% 0.044 148.3)
-
Step 400
400
#82AD88
oklch(70.6% 0.071 148.5)
-
Step 500
500
#61996A
oklch(63.1% 0.092 148.4)
-
Step 600
600
#468352
oklch(55.5% 0.099 148.8)
-
Step 700
700
#376F42
oklch(49.1% 0.093 148.5)
-
Step 800
800 (this color)
#37633F
oklch(45.7% 0.076 148.6)
-
Step 900
900
#2A4A30
oklch(37.6% 0.058 149)
-
Step 950
950
#192C1C
oklch(27.1% 0.039 148.4)
#37633F 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) | #645C3D | 0.063 |
| Deuteranopia (no green cones) | #5D5841 | 0.061 |
| Tritanopia (no blue cones) | #30615A | 0.044 |
| Achromatopsia (no color) | #595959 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37633F
#37633F
oklch(45.7% 0.076 148.6)
- #6F476C
#6F476C
oklch(45.7% 0.077 329.4)
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 #37633F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.027
- Spruce #0A5F38 ΔE 0.038
- Dark Green Blue #1F6357 ΔE 0.039
- Camo Green #526525 ΔE 0.044
- Army Green #4B5D16 ΔE 0.044
- Camouflage Green #4B6113 ΔE 0.047
- Dark Olive Green #556B2F ΔE 0.052
- Dark Moss Green #606C38 ΔE 0.063
Use #37633F 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.