#278404
Closest named color: Dark Grass Green (#388004). oklch(53.8% 0.171 140), rgb(39, 132, 4).
Aa
White text reads best on this color (4.78:1).
About this color
#278404 is a medium-dark, vivid green. In OKLCH its lightness is 54%, its chroma 0.171 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grass Green (#388004), ΔE 0.015 away. White text reads best on it, at 4.78:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.171) |
| Temperature | in between |
| Nearest name | Dark Grass Green (#388004) |
| Black text | 4.38:1 |
| White text | 4.78:1 |
Values
| HEX | #278404 |
| RGB | rgb(39, 132, 4) |
| HSL | hsl(104, 94%, 27%) |
| OKLCH | oklch(53.8% 0.171 140) |
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 #278404 | 4.78:1 | AA | Lc -78.1 | Fine for body text |
| Black text on #278404 | 4.38:1 | AA large text | Lc 31.4 | Non-text elements, placeholder text |
| #278404 text on white | 4.78:1 | AA | Lc 72.7 | Content text, not long reading |
| #278404 text on black | 4.38:1 | 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
#E2EEE0
oklch(93.6% 0.023 141.2)
-
Step 200
200
#CBE1C6
oklch(88.6% 0.043 139.9)
-
Step 300
300
#A7CD9E
oklch(80.8% 0.076 139.7)
-
Step 400
400
#75B368
oklch(70.6% 0.123 140.2)
-
Step 500
500
#4EA03C
oklch(63.2% 0.158 140.2)
-
Step 600
600 (this color)
#278404
oklch(53.8% 0.171 140)
-
Step 700
700
#207400
oklch(49% 0.158 140)
-
Step 800
800
#1D5F08
oklch(42.7% 0.132 140)
-
Step 900
900
#1E4E13
oklch(37.7% 0.103 140.2)
-
Step 950
950
#132E0D
oklch(27.1% 0.065 140.1)
#278404 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 | 0.117 |
| Deuteranopia (no green cones) | #7D701B | 0.114 |
| Tritanopia (no blue cones) | #157F6F | 0.116 |
| Achromatopsia (no color) | #727272 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #278404
#278404
oklch(53.8% 0.171 140)
- #9844AA
#9844AA
oklch(53.7% 0.172 320.2)
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 #278404, closest first.
No curated palette has a color within ΔE 0.04 of #278404.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grass Green #388004 ΔE 0.015
- Green #008000 ΔE 0.020
- Forest Green #228B22 ΔE 0.022
- Tree Green #2A7E19 ΔE 0.022
- Emerald Green #028F1E ΔE 0.031
- Kelley Green #009337 ΔE 0.046
- True Green #089404 ΔE 0.047
- Jungle Green #048243 ΔE 0.048
Use #278404 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.