#37633D
Closest named color: Pine (#2B5D34). oklch(45.7% 0.078 147.3), rgb(55, 99, 61).
Aa
White text reads best on this color (6.96:1).
About this color
#37633D is a medium-dark, moderately saturated green. In OKLCH its lightness is 46%, its chroma 0.078 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.026 away. White text reads best on it, at 6.96:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 3.01:1 |
| White text | 6.96:1 |
Values
| HEX | #37633D |
| RGB | rgb(55, 99, 61) |
| HSL | hsl(128, 29%, 30%) |
| OKLCH | oklch(45.7% 0.078 147.3) |
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 #37633D | 6.96:1 | AA | Lc -89.0 | Fine for body text |
| Black text on #37633D | 3.01:1 | AA large text | Lc 20.0 | Dividers and decoration only |
| #37633D text on white | 6.96:1 | AA | Lc 84.0 | Fine for body text |
| #37633D 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
#AEC9B0
oklch(80.9% 0.045 147.2)
-
Step 400
400
#82AE86
oklch(70.8% 0.075 147.1)
-
Step 500
500
#619968
oklch(63.1% 0.094 147.4)
-
Step 600
600
#47834F
oklch(55.5% 0.101 147.1)
-
Step 700
700
#386F40
oklch(49.1% 0.095 147.2)
-
Step 800
800 (this color)
#37633D
oklch(45.7% 0.078 147.3)
-
Step 900
900
#2A4A2E
oklch(37.6% 0.061 147.2)
-
Step 950
950
#192C1B
oklch(27.1% 0.04 146.9)
#37633D 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) | #645C3A | 0.063 |
| Deuteranopia (no green cones) | #5E583F | 0.062 |
| Tritanopia (no blue cones) | #306159 | 0.046 |
| Achromatopsia (no color) | #595959 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37633D
#37633D
oklch(45.7% 0.078 147.3)
- #6E476E
#6E476E
oklch(45.7% 0.078 326.8)
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 #37633D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.026
- Spruce #0A5F38 ΔE 0.037
- Dark Green Blue #1F6357 ΔE 0.041
- Camo Green #526525 ΔE 0.042
- Army Green #4B5D16 ΔE 0.042
- Camouflage Green #4B6113 ΔE 0.044
- Dark Olive Green #556B2F ΔE 0.051
- Dark Moss Green #606C38 ΔE 0.063
Use #37633D 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.