#37733C
Closest named color: Dark Olive Green (#556B2F). oklch(50.1% 0.106 145.5), rgb(55, 115, 60).
Aa
White text reads best on this color (5.70:1).
About this color
#37733C is a medium-dark, moderately saturated green. In OKLCH its lightness is 50%, its chroma 0.106 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.037 away. White text reads best on it, at 5.70:1.
| Hue family | Greens |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.67:1 |
| White text | 5.70:1 |
Values
| HEX | #37733C |
| RGB | rgb(55, 115, 60) |
| HSL | hsl(125, 35%, 33%) |
| OKLCH | oklch(50.1% 0.106 145.5) |
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 #37733C | 5.70:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #37733C | 3.67:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #37733C text on white | 5.70:1 | AA | Lc 78.3 | Fine for body text |
| #37733C text on black | 3.67:1 | AA large text | Lc -23.4 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4EDE4
oklch(93.7% 0.015 145.5)
-
Step 200
200
#CEDECE
oklch(88.4% 0.028 145.3)
-
Step 300
300
#ADCAAD
oklch(80.9% 0.051 145.1)
-
Step 400
400
#80AF81
oklch(70.8% 0.083 145.2)
-
Step 500
500
#5E9A62
oklch(63% 0.104 145.7)
-
Step 600
600
#438548
oklch(55.7% 0.114 145.4)
-
Step 700
700 (this color)
#37733C
oklch(50.1% 0.106 145.5)
-
Step 800
800
#2C5B30
oklch(42.6% 0.087 145.6)
-
Step 900
900
#284B2A
oklch(37.7% 0.069 145.3)
-
Step 950
950
#182C19
oklch(27% 0.043 145.4)
#37733C 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) | #756A38 | 0.082 |
| Deuteranopia (no green cones) | #6C6440 | 0.081 |
| Tritanopia (no blue cones) | #2D7066 | 0.065 |
| Achromatopsia (no color) | #666666 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #37733C
#37733C
oklch(50.1% 0.106 145.5)
- #824C84
#824C84
oklch(50% 0.107 325.8)
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 #37733C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.037
- Camo Green #526525 ΔE 0.046
- Jungle Green #048243 ΔE 0.047
- Dark Moss Green #606C38 ΔE 0.050
- Muddy Green #657432 ΔE 0.054
- Tree Green #2A7E19 ΔE 0.056
- Camouflage Green #4B6113 ΔE 0.057
- Mud Green #606602 ΔE 0.060
Use #37733C 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.