#37491E
Closest named color: Dark Olive (#373E02). oklch(37.9% 0.07 128.2), rgb(55, 73, 30).
Aa
White text reads best on this color (9.83:1).
About this color
#37491E is a dark, muted green. In OKLCH its lightness is 38%, its chroma 0.070 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.037 away. White text reads best on it, at 9.83:1.
| Hue family | Greens |
| Lightness | dark (38%) |
| Chroma | muted (0.070) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 2.13:1 |
| White text | 9.83:1 |
Values
| HEX | #37491E |
| RGB | rgb(55, 73, 30) |
| HSL | hsl(85, 42%, 20%) |
| OKLCH | oklch(37.9% 0.07 128.2) |
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 #37491E | 9.83:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #37491E | 2.13:1 | Fails | Lc 11.2 | Not readable |
| #37491E text on white | 9.83:1 | AAA | Lc 92.8 | Preferred for body text |
| #37491E text on black | 2.13:1 | Fails | Lc -9.7 | 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E7ECE1
oklch(93.6% 0.016 126.8)
-
Step 200
200
#D3DDC9
oklch(88.4% 0.029 128.8)
-
Step 300
300
#B7C8A4
oklch(81% 0.053 128.1)
-
Step 400
400
#91AB72
oklch(70.7% 0.084 128.3)
-
Step 500
500
#76964C
oklch(63.1% 0.108 128.4)
-
Step 600
600
#5F802E
oklch(55.7% 0.116 128.3)
-
Step 700
700
#4E6C20
oklch(49.1% 0.109 128.4)
-
Step 800
800
#40581D
oklch(42.7% 0.09 128.5)
-
Step 900
900 (this color)
#37491E
oklch(37.9% 0.07 128.2)
-
Step 950
950
#202B12
oklch(27.1% 0.045 128.6)
#37491E 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) | #4D441A | 0.037 |
| Deuteranopia (no green cones) | #4A4321 | 0.036 |
| Tritanopia (no blue cones) | #39463F | 0.054 |
| Achromatopsia (no color) | #434343 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37491E
#37491E
oklch(37.9% 0.07 128.2)
- #4C375F
#4C375F
oklch(37.8% 0.071 307.5)
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 #37491E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.037
- Navy Green #35530A ΔE 0.041
- Pine Green #0A481E ΔE 0.045
- Evergreen #05472A ΔE 0.048
- Green Brown #544E03 ΔE 0.052
- Forrest Green #154406 ΔE 0.053
- British Racing Green #05480D ΔE 0.054
- Darkgreen #054907 ΔE 0.056
Use #37491E 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.