#377539
Closest named color: Dark Olive Green (#556B2F). oklch(50.6% 0.112 144.3), rgb(55, 117, 57).
Aa
White text reads best on this color (5.57:1).
About this color
#377539 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.112 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.040 away. White text reads best on it, at 5.57:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.76:1 |
| White text | 5.57:1 |
Values
| HEX | #377539 |
| RGB | rgb(55, 117, 57) |
| HSL | hsl(122, 36%, 34%) |
| OKLCH | oklch(50.6% 0.112 144.3) |
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 #377539 | 5.57:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #377539 | 3.76:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #377539 text on white | 5.57:1 | AA | Lc 77.6 | Fine for body text |
| #377539 text on black | 3.76:1 | AA large text | Lc -24.1 | 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
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E4EDE3
oklch(93.7% 0.016 142.6)
-
Step 200
200
#CEDFCD
oklch(88.6% 0.03 143.8)
-
Step 300
300
#ACCAAB
oklch(80.8% 0.054 144.2)
-
Step 400
400
#7FAF7E
oklch(70.7% 0.087 144.1)
-
Step 500
500
#5D9B5D
oklch(63.1% 0.111 144.1)
-
Step 600
600
#418543
oklch(55.6% 0.121 144.3)
-
Step 700
700 (this color)
#377539
oklch(50.6% 0.112 144.3)
-
Step 800
800
#2B5C2C
oklch(42.8% 0.093 144.1)
-
Step 900
900
#274B28
oklch(37.6% 0.072 144.6)
-
Step 950
950
#182C18
oklch(27% 0.045 144.2)
#377539 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) | #776B34 | 0.085 |
| Deuteranopia (no green cones) | #6F663D | 0.084 |
| Tritanopia (no blue cones) | #2E7267 | 0.070 |
| Achromatopsia (no color) | #686868 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #377539
#377539
oklch(50.6% 0.112 144.3)
- #844C88
#844C88
oklch(50.5% 0.112 324.7)
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 #377539, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.040
- Jungle Green #048243 ΔE 0.040
- Tree Green #2A7E19 ΔE 0.048
- Camo Green #526525 ΔE 0.051
- Dark Moss Green #606C38 ΔE 0.053
- Muddy Green #657432 ΔE 0.053
- Dark Grass Green #388004 ΔE 0.057
- Camouflage Green #4B6113 ΔE 0.060
Use #377539 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.