#377E11
Closest named color: Dark Grass Green (#388004). oklch(52.7% 0.154 137.8), rgb(55, 126, 17).
Aa
White text reads best on this color (5.05:1).
About this color
#377E11 is a medium-dark, vivid green. In OKLCH its lightness is 53%, its chroma 0.154 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grass Green (#388004), ΔE 0.008 away. White text reads best on it, at 5.05:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Dark Grass Green (#388004) |
| Black text | 4.15:1 |
| White text | 5.05:1 |
Values
| HEX | #377E11 |
| RGB | rgb(55, 126, 17) |
| HSL | hsl(99, 76%, 28%) |
| OKLCH | oklch(52.7% 0.154 137.8) |
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 #377E11 | 5.05:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #377E11 | 4.15:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #377E11 text on white | 5.05:1 | AA | Lc 74.6 | Content text, not long reading |
| #377E11 text on black | 4.15:1 | AA large text | Lc -27.2 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E4EDE0
oklch(93.6% 0.02 135.8)
-
Step 200
200
#CDE0C7
oklch(88.6% 0.039 138.2)
-
Step 300
300
#ABCCA0
oklch(80.9% 0.07 137.9)
-
Step 400
400
#7EB16C
oklch(70.7% 0.111 137.8)
-
Step 500
500
#5C9D42
oklch(63.2% 0.142 137.7)
-
Step 600
600 (this color)
#377E11
oklch(52.7% 0.154 137.8)
-
Step 700
700
#31720F
oklch(49% 0.143 137.9)
-
Step 800
800
#2A5D12
oklch(42.7% 0.118 137.8)
-
Step 900
900
#274C17
oklch(37.6% 0.092 137.5)
-
Step 950
950
#172D0F
oklch(27% 0.059 138.1)
#377E11 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) | #827200 | 0.098 |
| Deuteranopia (no green cones) | #796C1F | 0.099 |
| Tritanopia (no blue cones) | #31796B | 0.108 |
| Achromatopsia (no color) | #6F6F6F | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #377E11
#377E11
oklch(52.7% 0.154 137.8)
- #8E48A3
#8E48A3
oklch(52.6% 0.154 317.9)
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 #377E11, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grass Green #388004 ΔE 0.008
- Tree Green #2A7E19 ΔE 0.009
- Green #008000 ΔE 0.028
- Forest Green #228B22 ΔE 0.037
- Jungle Green #048243 ΔE 0.041
- Emerald Green #028F1E ΔE 0.050
- Olive Green #677A04 ΔE 0.054
- Sap Green #5C8B15 ΔE 0.058
Use #377E11 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.