#378333
Closest named color: Jungle Green (#048243). oklch(54.4% 0.138 142.6), rgb(55, 131, 51).
Aa
White text reads best on this color (4.71:1).
About this color
#378333 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.138 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.027 away. White text reads best on it, at 4.71:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.45:1 |
| White text | 4.71:1 |
Values
| HEX | #378333 |
| RGB | rgb(55, 131, 51) |
| HSL | hsl(117, 44%, 36%) |
| OKLCH | oklch(54.4% 0.138 142.6) |
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 #378333 | 4.71:1 | AA | Lc -77.9 | Fine for body text |
| Black text on #378333 | 4.45:1 | AA large text | Lc 31.7 | Non-text elements, placeholder text |
| #378333 text on white | 4.71:1 | AA | Lc 72.4 | Content text, not long reading |
| #378333 text on black | 4.45:1 | AA large text | Lc -29.3 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE2
oklch(93.6% 0.018 142.8)
-
Step 200
200
#CDDFCB
oklch(88.5% 0.033 142.5)
-
Step 300
300
#AACBA7
oklch(80.8% 0.061 142.8)
-
Step 400
400
#7CB177
oklch(70.8% 0.1 142.4)
-
Step 500
500
#589D53
oklch(63.2% 0.128 142.5)
-
Step 600
600 (this color)
#378333
oklch(54.4% 0.138 142.6)
-
Step 700
700
#2C7229
oklch(49.1% 0.128 142.7)
-
Step 800
800
#265D23
oklch(42.7% 0.107 142.6)
-
Step 900
900
#244C22
oklch(37.6% 0.082 142.8)
-
Step 950
950
#162D14
oklch(27% 0.053 142.3)
#378333 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) | #86772B | 0.100 |
| Deuteranopia (no green cones) | #7C7139 | 0.098 |
| Tritanopia (no blue cones) | #2B7F72 | 0.089 |
| Achromatopsia (no color) | #737373 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #378333
#378333
oklch(54.4% 0.138 142.6)
- #95509E
#95509E
oklch(54.4% 0.139 322.9)
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 #378333, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.027
- Tree Green #2A7E19 ΔE 0.028
- Dark Grass Green #388004 ΔE 0.028
- Forest Green #228B22 ΔE 0.034
- Sea Green #2E8B57 ΔE 0.042
- Green #008000 ΔE 0.046
- Fern Green #548D44 ΔE 0.047
- Emerald Green #028F1E ΔE 0.048
Use #378333 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.