#378933
Closest named color: Forest Green (#228B22). oklch(56% 0.146 142.6), rgb(55, 137, 51).
Aa
Black text reads best on this color (4.78:1).
About this color
#378933 is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.146 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.023 away. Black text reads best on it, at 4.78:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.78:1 |
| White text | 4.38:1 |
Values
| HEX | #378933 |
| RGB | rgb(55, 137, 51) |
| HSL | hsl(117, 46%, 37%) |
| OKLCH | oklch(56% 0.146 142.6) |
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 #378933 | 4.38:1 | AA large text | Lc -75.6 | Fine for body text |
| Black text on #378933 | 4.78:1 | AA | Lc 34.0 | Non-text elements, placeholder text |
| #378933 text on white | 4.38:1 | AA large text | Lc 70.1 | Content text, not long reading |
| #378933 text on black | 4.78:1 | AA | Lc -31.6 | Non-text elements, placeholder text |
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
#CCE0CA
oklch(88.6% 0.037 142.7)
-
Step 300
300
#A9CCA5
oklch(80.9% 0.066 142.2)
-
Step 400
400
#79B174
oklch(70.6% 0.105 142.5)
-
Step 500
500
#549E4F
oklch(63.2% 0.135 142.5)
-
Step 600
600 (this color)
#378933
oklch(56% 0.146 142.6)
-
Step 700
700
#277324
oklch(49.1% 0.136 142.6)
-
Step 800
800
#225E20
oklch(42.8% 0.113 142.8)
-
Step 900
900
#224D1F
oklch(37.7% 0.088 142.4)
-
Step 950
950
#152D13
oklch(27% 0.055 142.3)
#378933 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) | #8C7D29 | 0.104 |
| Deuteranopia (no green cones) | #82763A | 0.105 |
| Tritanopia (no blue cones) | #2A8577 | 0.094 |
| Achromatopsia (no color) | #787878 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #378933
#378933
oklch(56% 0.146 142.6)
- #9C53A6
#9C53A6
oklch(56.1% 0.146 322.7)
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 #378933, closest first.
No curated palette has a color within ΔE 0.04 of #378933.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.023
- Kelley Green #009337 ΔE 0.032
- Dark Grass Green #388004 ΔE 0.034
- Emerald Green #028F1E ΔE 0.036
- Fern Green #548D44 ΔE 0.037
- Sap Green #5C8B15 ΔE 0.038
- Jungle Green #048243 ΔE 0.038
- Tree Green #2A7E19 ΔE 0.039
Use #378933 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.