#378318
Closest named color: Dark Grass Green (#388004). oklch(54.1% 0.157 138.7), rgb(55, 131, 24).
Aa
White text reads best on this color (4.74:1).
About this color
#378318 is a medium-dark, vivid green. In OKLCH its lightness is 54%, its chroma 0.157 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grass Green (#388004), ΔE 0.010 away. White text reads best on it, at 4.74:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Dark Grass Green (#388004) |
| Black text | 4.42:1 |
| White text | 4.74:1 |
Values
| HEX | #378318 |
| RGB | rgb(55, 131, 24) |
| HSL | hsl(103, 69%, 30%) |
| OKLCH | oklch(54.1% 0.157 138.7) |
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 #378318 | 4.74:1 | AA | Lc -78.1 | Fine for body text |
| Black text on #378318 | 4.42:1 | AA large text | Lc 31.5 | Non-text elements, placeholder text |
| #378318 text on white | 4.74:1 | AA | Lc 72.6 | Content text, not long reading |
| #378318 text on black | 4.42:1 | AA large text | Lc -29.1 | 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
#E3EDE0
oklch(93.5% 0.02 138.4)
-
Step 200
200
#CDE0C7
oklch(88.6% 0.039 138.2)
-
Step 300
300
#AACCA0
oklch(80.9% 0.071 138.6)
-
Step 400
400
#7CB16C
oklch(70.6% 0.112 138.6)
-
Step 500
500
#589D42
oklch(63% 0.144 138.8)
-
Step 600
600 (this color)
#378318
oklch(54.1% 0.157 138.7)
-
Step 700
700
#2D730F
oklch(49.2% 0.146 138.8)
-
Step 800
800
#275E12
oklch(42.8% 0.121 138.8)
-
Step 900
900
#254D17
oklch(37.8% 0.094 138.6)
-
Step 950
950
#162D0F
oklch(27% 0.059 138.9)
#378318 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) | #877700 | 0.102 |
| Deuteranopia (no green cones) | #7E7125 | 0.102 |
| Tritanopia (no blue cones) | #2F7E6F | 0.108 |
| Achromatopsia (no color) | #737373 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #378318
#378318
oklch(54.1% 0.157 138.7)
- #944BA8
#944BA8
oklch(54% 0.157 318.6)
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 #378318, closest first.
No curated palette has a color within ΔE 0.04 of #378318.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grass Green #388004 ΔE 0.010
- Tree Green #2A7E19 ΔE 0.019
- Forest Green #228B22 ΔE 0.024
- Green #008000 ΔE 0.031
- Emerald Green #028F1E ΔE 0.038
- Jungle Green #048243 ΔE 0.042
- Kelley Green #009337 ΔE 0.047
- Sap Green #5C8B15 ΔE 0.047
Use #378318 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.