#377E4B
Closest named color: Jungle Green (#048243). oklch(53.4% 0.107 150.5), rgb(55, 126, 75).
Aa
White text reads best on this color (4.94:1).
About this color
#377E4B is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.107 and its hue 150°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.030 away. White text reads best on it, at 4.94:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.24:1 |
| White text | 4.94:1 |
Values
| HEX | #377E4B |
| RGB | rgb(55, 126, 75) |
| HSL | hsl(137, 39%, 35%) |
| OKLCH | oklch(53.4% 0.107 150.5) |
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 #377E4B | 4.94:1 | AA | Lc -79.4 | Fine for body text |
| Black text on #377E4B | 4.24:1 | AA large text | Lc 30.1 | Non-text elements, placeholder text |
| #377E4B text on white | 4.94:1 | AA | Lc 74.0 | Content text, not long reading |
| #377E4B text on black | 4.24:1 | AA large text | Lc -27.7 | 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 600.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E4EDE5
oklch(93.7% 0.014 148.8)
-
Step 200
200
#CDDED0
oklch(88.4% 0.026 150.7)
-
Step 300
300
#ABCAB1
oklch(80.9% 0.048 150.9)
-
Step 400
400
#7DAF88
oklch(70.8% 0.078 150.8)
-
Step 500
500
#5A9A6A
oklch(63% 0.098 150.8)
-
Step 600
600 (this color)
#377E4B
oklch(53.4% 0.107 150.5)
-
Step 700
700
#2F7042
oklch(49% 0.099 150.7)
-
Step 800
800
#285B36
oklch(42.5% 0.082 150.5)
-
Step 900
900
#264B2F
oklch(37.7% 0.064 150.2)
-
Step 950
950
#172C1C
oklch(27% 0.04 150.6)
#377E4B 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) | #7F7447 | 0.090 |
| Deuteranopia (no green cones) | #756D4E | 0.089 |
| Tritanopia (no blue cones) | #267C71 | 0.058 |
| Achromatopsia (no color) | #707070 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #377E4B
#377E4B
oklch(53.4% 0.107 150.5)
- #8F548A
#8F548A
oklch(53.3% 0.107 330)
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 #377E4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.030
- Sea Green #2E8B57 ΔE 0.038
- Dark Sage #598556 ΔE 0.045
- Military Green #667C3E ΔE 0.050
- Muddy Green #657432 ΔE 0.054
- Tree Green #2A7E19 ΔE 0.055
- Viridian #1E9167 ΔE 0.058
- Fern Green #548D44 ΔE 0.059
Use #377E4B 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.