#37451D
Closest named color: Dark Olive (#373E02). oklch(36.8% 0.064 125.4), rgb(55, 69, 29).
Aa
White text reads best on this color (10.33:1).
About this color
#37451D is a dark, muted green. In OKLCH its lightness is 37%, its chroma 0.064 and its hue 125°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.028 away. White text reads best on it, at 10.33:1.
| Hue family | Greens |
| Lightness | dark (37%) |
| Chroma | muted (0.064) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 2.03:1 |
| White text | 10.33:1 |
Values
| HEX | #37451D |
| RGB | rgb(55, 69, 29) |
| HSL | hsl(81, 41%, 19%) |
| OKLCH | oklch(36.8% 0.064 125.4) |
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 #37451D | 10.33:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #37451D | 2.03:1 | Fails | Lc 10.0 | Not readable |
| #37451D text on white | 10.33:1 | AAA | Lc 93.9 | Preferred for body text |
| #37451D text on black | 2.03:1 | Fails | Lc -8.6 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E7ECE2
oklch(93.7% 0.014 128.6)
-
Step 200
200
#D5DDCA
oklch(88.6% 0.027 125.6)
-
Step 300
300
#B9C7A5
oklch(81% 0.049 125.7)
-
Step 400
400
#95AA74
oklch(70.8% 0.078 125.6)
-
Step 500
500
#7B944F
oklch(63.1% 0.099 125.5)
-
Step 600
600
#647E32
oklch(55.6% 0.107 125.6)
-
Step 700
700
#536A24
oklch(49% 0.1 125.4)
-
Step 800
800
#445720
oklch(42.8% 0.083 125.7)
-
Step 900
900 (this color)
#37451D
oklch(36.8% 0.064 125.4)
-
Step 950
950
#222A13
oklch(27% 0.041 124.8)
#37451D 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) | #494119 | 0.030 |
| Deuteranopia (no green cones) | #47401F | 0.031 |
| Tritanopia (no blue cones) | #39423C | 0.052 |
| Achromatopsia (no color) | #404040 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37451D
#37451D
oklch(36.8% 0.064 125.4)
- #47365A
#47365A
oklch(36.8% 0.064 305.2)
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 #37451D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.028
- Pine Green #0A481E ΔE 0.045
- Evergreen #05472A ΔE 0.046
- Forrest Green #154406 ΔE 0.051
- Navy Green #35530A ΔE 0.053
- British Racing Green #05480D ΔE 0.055
- Pakistan Green #283618 ΔE 0.057
- Darkgreen #054907 ΔE 0.058
Use #37451D 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.