#37580C
Closest named color: Navy Green (#35530A). oklch(41.9% 0.107 131.2), rgb(55, 88, 12).
Aa
White text reads best on this color (8.19:1).
About this color
#37580C is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.107 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.016 away. White text reads best on it, at 8.19:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.56:1 |
| White text | 8.19:1 |
Values
| HEX | #37580C |
| RGB | rgb(55, 88, 12) |
| HSL | hsl(86, 76%, 20%) |
| OKLCH | oklch(41.9% 0.107 131.2) |
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 #37580C | 8.19:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #37580C | 2.56:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #37580C text on white | 8.19:1 | AAA | Lc 88.1 | Fine for body text |
| #37580C text on black | 2.56:1 | Fails | Lc -14.0 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E6EDE0
oklch(93.7% 0.019 130.2)
-
Step 200
200
#D1DEC7
oklch(88.4% 0.034 131.4)
-
Step 300
300
#B2C99F
oklch(80.8% 0.063 131.1)
-
Step 400
400
#8AAE6B
oklch(70.8% 0.1 131.5)
-
Step 500
500
#6D9940
oklch(63.1% 0.129 131.2)
-
Step 600
600
#55831B
oklch(55.6% 0.139 131.1)
-
Step 700
700
#456F0B
oklch(49.2% 0.13 131.3)
-
Step 800
800 (this color)
#37580C
oklch(41.9% 0.107 131.2)
-
Step 900
900
#314A16
oklch(37.6% 0.083 131.2)
-
Step 950
950
#1D2C0E
oklch(27.1% 0.054 131.3)
#37580C 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) | #5C5100 | 0.057 |
| Deuteranopia (no green cones) | #584E15 | 0.059 |
| Tritanopia (no blue cones) | #38544A | 0.081 |
| Achromatopsia (no color) | #4F4F4F | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37580C
#37580C
oklch(41.9% 0.107 131.2)
- #603977
#603977
oklch(41.9% 0.108 311.6)
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 #37580C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.016
- Army Green #4B5D16 ΔE 0.034
- Pine #2B5D34 ΔE 0.037
- Deep Green #02590F ΔE 0.038
- Forest #0B5509 ΔE 0.040
- Camouflage Green #4B6113 ΔE 0.041
- Spruce #0A5F38 ΔE 0.047
- Green Brown #544E03 ΔE 0.049
Use #37580C 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.