#37543D
Closest named color: Pine (#2B5D34). oklch(41.6% 0.052 150.2), rgb(55, 84, 61).
Aa
White text reads best on this color (8.40:1).
About this color
#37543D is a dark, muted green. In OKLCH its lightness is 42%, its chroma 0.052 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.038 away. White text reads best on it, at 8.40:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | muted (0.052) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.49:1 |
| White text | 8.40:1 |
Values
| HEX | #37543D |
| RGB | rgb(55, 84, 61) |
| HSL | hsl(132, 21%, 27%) |
| OKLCH | oklch(41.6% 0.052 150.2) |
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 #37543D | 8.40:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #37543D | 2.49:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #37543D text on white | 8.40:1 | AAA | Lc 88.9 | Fine for body text |
| #37543D text on black | 2.49:1 | Fails | Lc -13.3 | 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 800.
-
Step 50
50
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E6ECE7
oklch(93.7% 0.009 150.7)
-
Step 200
200
#D2DCD3
oklch(88.4% 0.016 148.4)
-
Step 300
300
#B3C6B7
oklch(80.8% 0.029 151.8)
-
Step 400
400
#8CAA91
oklch(70.8% 0.049 149.8)
-
Step 500
500
#6F9476
oklch(63% 0.061 150.1)
-
Step 600
600
#567F5F
oklch(55.7% 0.067 150.6)
-
Step 700
700
#466B4E
oklch(49.1% 0.063 150.4)
-
Step 800
800 (this color)
#37543D
oklch(41.6% 0.052 150.2)
-
Step 900
900
#324836
oklch(37.7% 0.041 149.7)
-
Step 950
950
#1E2A20
oklch(27% 0.025 149.5)
#37543D 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) | #544F3C | 0.044 |
| Deuteranopia (no green cones) | #504C3E | 0.043 |
| Tritanopia (no blue cones) | #33534E | 0.029 |
| Achromatopsia (no color) | #4D4D4D | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37543D
#37543D
oklch(41.6% 0.052 150.2)
- #5C4259
#5C4259
oklch(41.6% 0.05 330.4)
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 #37543D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.038
- Dark Slate Gray #2F4F4F ΔE 0.039
- Dark Blue Green #005249 ΔE 0.044
- Spruce #0A5F38 ΔE 0.050
- Dark Green Blue #1F6357 ΔE 0.052
- Deep Teal #00555A ΔE 0.056
- Navy Green #35530A ΔE 0.058
- Dark Teal #014D4E ΔE 0.058
Use #37543D 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.