#37583A
Closest named color: Pine (#2B5D34). oklch(42.6% 0.063 146.5), rgb(55, 88, 58).
Aa
White text reads best on this color (8.01:1).
About this color
#37583A is a dark, muted green. In OKLCH its lightness is 43%, its chroma 0.063 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.024 away. White text reads best on it, at 8.01:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.61:1 |
| White text | 8.01:1 |
Values
| HEX | #37583A |
| RGB | rgb(55, 88, 58) |
| HSL | hsl(125, 23%, 28%) |
| OKLCH | oklch(42.6% 0.063 146.5) |
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 #37583A | 8.01:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #37583A | 2.61:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #37583A text on white | 8.01:1 | AAA | Lc 87.7 | Fine for body text |
| #37583A text on black | 2.61:1 | Fails | Lc -14.4 | 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
#F3F6F3
oklch(97% 0.005 145.5)
-
Step 100
100
#E5ECE6
oklch(93.6% 0.011 149.9)
-
Step 200
200
#D1DDD1
oklch(88.5% 0.021 145.4)
-
Step 300
300
#B2C7B3
oklch(80.8% 0.036 146.5)
-
Step 400
400
#89AB8B
oklch(70.7% 0.059 146.5)
-
Step 500
500
#6B966F
oklch(63.1% 0.075 147)
-
Step 600
600
#538057
oklch(55.6% 0.08 146.5)
-
Step 700
700
#436C47
oklch(49% 0.075 146.6)
-
Step 800
800 (this color)
#37583A
oklch(42.6% 0.063 146.5)
-
Step 900
900
#304932
oklch(37.8% 0.05 146.5)
-
Step 950
950
#1C2B1D
oklch(27.1% 0.033 146.3)
#37583A 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) | #595238 | 0.051 |
| Deuteranopia (no green cones) | #544F3C | 0.050 |
| Tritanopia (no blue cones) | #335650 | 0.038 |
| Achromatopsia (no color) | #505050 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37583A
#37583A
oklch(42.6% 0.063 146.5)
- #614261
#614261
oklch(42.6% 0.064 326.6)
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 #37583A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.024
- Spruce #0A5F38 ΔE 0.039
- Dark Green Blue #1F6357 ΔE 0.047
- Navy Green #35530A ΔE 0.051
- Army Green #4B5D16 ΔE 0.052
- Dark Blue Green #005249 ΔE 0.053
- Dark Slate Gray #2F4F4F ΔE 0.053
- Green Brown #544E03 ΔE 0.059
Use #37583A 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.