#37501B
Closest named color: Navy Green (#35530A). oklch(39.8% 0.084 130.7), rgb(55, 80, 27).
Aa
White text reads best on this color (9.02:1).
About this color
#37501B is a dark, moderately saturated green. In OKLCH its lightness is 40%, its chroma 0.084 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 0.019 away. White text reads best on it, at 9.02:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.32:1 |
| White text | 9.02:1 |
Values
| HEX | #37501B |
| RGB | rgb(55, 80, 27) |
| HSL | hsl(88, 50%, 21%) |
| OKLCH | oklch(39.8% 0.084 130.7) |
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 #37501B | 9.02:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #37501B | 2.32:1 | Fails | Lc 13.3 | Not readable |
| #37501B text on white | 9.02:1 | AAA | Lc 90.6 | Preferred for body text |
| #37501B text on black | 2.32:1 | Fails | Lc -11.7 | 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 900.
-
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
#D1DEC6
oklch(88.4% 0.035 130.5)
-
Step 300
300
#B3C99F
oklch(80.8% 0.062 130.2)
-
Step 400
400
#8BAE69
oklch(70.8% 0.102 130.5)
-
Step 500
500
#6E993F
oklch(63.2% 0.129 130.7)
-
Step 600
600
#568318
oklch(55.7% 0.14 130.6)
-
Step 700
700
#466F06
oklch(49.2% 0.131 130.7)
-
Step 800
800
#3A5A0D
oklch(42.7% 0.108 130.4)
-
Step 900
900 (this color)
#37501B
oklch(39.8% 0.084 130.7)
-
Step 950
950
#1D2C0E
oklch(27.1% 0.054 131.3)
#37501B 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) | #544A15 | 0.046 |
| Deuteranopia (no green cones) | #50481F | 0.046 |
| Tritanopia (no blue cones) | #384D45 | 0.064 |
| Achromatopsia (no color) | #494949 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37501B
#37501B
oklch(39.8% 0.084 130.7)
- #553968
#553968
oklch(39.7% 0.083 310.5)
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 #37501B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.019
- Pine #2B5D34 ΔE 0.042
- Green Brown #544E03 ΔE 0.043
- Forest #0B5509 ΔE 0.047
- Deep Green #02590F ΔE 0.051
- Spruce #0A5F38 ΔE 0.053
- Army Green #4B5D16 ΔE 0.053
- Pine Green #0A481E ΔE 0.053
Use #37501B 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.