#378300
Closest named color: Dark Grass Green (#388004). oklch(54% 0.165 137.4), rgb(55, 131, 0).
Aa
White text reads best on this color (4.76:1).
About this color
#378300 is a medium-dark, vivid green. In OKLCH its lightness is 54%, its chroma 0.165 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grass Green (#388004), ΔE 0.009 away. White text reads best on it, at 4.76:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Dark Grass Green (#388004) |
| Black text | 4.40:1 |
| White text | 4.76:1 |
Values
| HEX | #378300 |
| RGB | rgb(55, 131, 0) |
| HSL | hsl(95, 100%, 26%) |
| OKLCH | oklch(54% 0.165 137.4) |
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 #378300 | 4.76:1 | AA | Lc -78.1 | Fine for body text |
| Black text on #378300 | 4.40:1 | AA large text | Lc 31.4 | Non-text elements, placeholder text |
| #378300 text on white | 4.76:1 | AA | Lc 72.6 | Content text, not long reading |
| #378300 text on black | 4.40:1 | AA large text | Lc -29.0 | 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 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
#CDE0C6
oklch(88.5% 0.041 137.2)
-
Step 300
300
#AACC9D
oklch(80.8% 0.074 137.1)
-
Step 400
400
#7CB267
oklch(70.8% 0.119 137.4)
-
Step 500
500
#599E3A
oklch(63.2% 0.152 137.3)
-
Step 600
600 (this color)
#378300
oklch(54% 0.165 137.4)
-
Step 700
700
#2F7300
oklch(49.2% 0.15 137.5)
-
Step 800
800
#275E05
oklch(42.8% 0.127 137.4)
-
Step 900
900
#254D11
oklch(37.7% 0.099 137.2)
-
Step 950
950
#162D0C
oklch(26.9% 0.063 137.4)
#378300 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) | #887700 | 0.106 |
| Deuteranopia (no green cones) | #7E7018 | 0.104 |
| Tritanopia (no blue cones) | #317E6E | 0.115 |
| Achromatopsia (no color) | #737373 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #378300
#378300
oklch(54% 0.165 137.4)
- #9449AC
#9449AC
oklch(54% 0.164 317.3)
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 #378300, closest first.
No curated palette has a color within ΔE 0.04 of #378300.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grass Green #388004 ΔE 0.009
- Tree Green #2A7E19 ΔE 0.022
- Forest Green #228B22 ΔE 0.024
- Green #008000 ΔE 0.028
- Emerald Green #028F1E ΔE 0.036
- Sap Green #5C8B15 ΔE 0.048
- Kelley Green #009337 ΔE 0.048
- Jungle Green #048243 ΔE 0.049
Use #378300 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.