#37643B
Closest named color: Pine (#2B5D34). oklch(45.9% 0.082 146), rgb(55, 100, 59).
Aa
White text reads best on this color (6.88:1).
About this color
#37643B is a medium-dark, moderately saturated green. In OKLCH its lightness is 46%, its chroma 0.082 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.028 away. White text reads best on it, at 6.88:1.
| Hue family | Greens |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 3.04:1 |
| White text | 6.88:1 |
Values
| HEX | #37643B |
| RGB | rgb(55, 100, 59) |
| HSL | hsl(125, 29%, 30%) |
| OKLCH | oklch(45.9% 0.082 146) |
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 #37643B | 6.88:1 | AA | Lc -88.7 | Fine for body text |
| Black text on #37643B | 3.04:1 | AA large text | Lc 20.4 | Dividers and decoration only |
| #37643B text on white | 6.88:1 | AA | Lc 83.7 | Fine for body text |
| #37643B text on black | 3.04:1 | AA large text | Lc -18.3 | 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
#B1C8B2
oklch(80.9% 0.039 146.4)
-
Step 400
400
#87AC89
oklch(70.7% 0.065 146.3)
-
Step 500
500
#69976C
oklch(63.1% 0.081 146.1)
-
Step 600
600
#4F8153
oklch(55.5% 0.089 146.1)
-
Step 700
700 (this color)
#37643B
oklch(45.9% 0.082 146)
-
Step 800
800
#355938
oklch(42.7% 0.068 146.2)
-
Step 900
900
#2F4930
oklch(37.7% 0.053 145.3)
-
Step 950
950
#1C2B1C
oklch(27% 0.034 144.6)
#37643B 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) | #655D38 | 0.064 |
| Deuteranopia (no green cones) | #5F583D | 0.065 |
| Tritanopia (no blue cones) | #31625A | 0.050 |
| Achromatopsia (no color) | #5A5A5A | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37643B
#37643B
oklch(45.9% 0.082 146)
- #6F4770
#6F4770
oklch(45.9% 0.081 326)
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 #37643B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.028
- Spruce #0A5F38 ΔE 0.038
- Camo Green #526525 ΔE 0.039
- Army Green #4B5D16 ΔE 0.040
- Camouflage Green #4B6113 ΔE 0.041
- Dark Green Blue #1F6357 ΔE 0.045
- Dark Olive Green #556B2F ΔE 0.047
- Dark Moss Green #606C38 ΔE 0.061
Use #37643B 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.