#377B16
Closest named color: Tree Green (#2A7E19). oklch(51.9% 0.148 137.9), rgb(55, 123, 22).
Aa
White text reads best on this color (5.24:1).
About this color
#377B16 is a medium-dark, vivid green. In OKLCH its lightness is 52%, its chroma 0.148 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.012 away. White text reads best on it, at 5.24:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 4.00:1 |
| White text | 5.24:1 |
Values
| HEX | #377B16 |
| RGB | rgb(55, 123, 22) |
| HSL | hsl(100, 70%, 28%) |
| OKLCH | oklch(51.9% 0.148 137.9) |
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 #377B16 | 5.24:1 | AA | Lc -81.1 | Fine for body text |
| Black text on #377B16 | 4.00:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #377B16 text on white | 5.24:1 | AA | Lc 75.7 | Fine for body text |
| #377B16 text on black | 4.00:1 | AA large text | Lc -26.0 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EDE0
oklch(93.5% 0.02 138.4)
-
Step 200
200
#CDE0C7
oklch(88.6% 0.039 138.2)
-
Step 300
300
#AACC9F
oklch(80.8% 0.072 138.1)
-
Step 400
400
#7CB16A
oklch(70.6% 0.114 138.1)
-
Step 500
500
#599D3F
oklch(63% 0.146 138)
-
Step 600
600
#3D8819
oklch(55.7% 0.159 138)
-
Step 700
700 (this color)
#377B16
oklch(51.9% 0.148 137.9)
-
Step 800
800
#285E0D
oklch(42.9% 0.123 137.9)
-
Step 900
900
#254D15
oklch(37.7% 0.096 138.1)
-
Step 950
950
#172D0E
oklch(27% 0.06 137.5)
#377B16 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) | #7F7000 | 0.094 |
| Deuteranopia (no green cones) | #766A22 | 0.095 |
| Tritanopia (no blue cones) | #327668 | 0.103 |
| Achromatopsia (no color) | #6C6C6C | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #377B16
#377B16
oklch(51.9% 0.148 137.9)
- #8B489F
#8B489F
oklch(52% 0.148 318)
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 #377B16, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.012
- Dark Grass Green #388004 ΔE 0.018
- Green #008000 ΔE 0.032
- Jungle Green #048243 ΔE 0.040
- Forest Green #228B22 ΔE 0.046
- Olive Green #677A04 ΔE 0.054
- Emerald Green #028F1E ΔE 0.060
- Murky Green #6C7A0E ΔE 0.062
Use #377B16 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.