#278640
Closest named color: Jungle Green (#048243). oklch(54.9% 0.137 148.3), rgb(39, 134, 64).
Aa
White text reads best on this color (4.59:1).
About this color
#278640 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.137 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.019 away. White text reads best on it, at 4.59:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.57:1 |
| White text | 4.59:1 |
Values
| HEX | #278640 |
| RGB | rgb(39, 134, 64) |
| HSL | hsl(136, 55%, 34%) |
| OKLCH | oklch(54.9% 0.137 148.3) |
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 #278640 | 4.59:1 | AA | Lc -77.0 | Fine for body text |
| Black text on #278640 | 4.57:1 | AA | Lc 32.6 | Non-text elements, placeholder text |
| #278640 text on white | 4.59:1 | AA | Lc 71.5 | Content text, not long reading |
| #278640 text on black | 4.57:1 | AA | Lc -30.1 | 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
#E2EDE3
oklch(93.5% 0.018 148.1)
-
Step 200
200
#CBE0CD
oklch(88.6% 0.034 148)
-
Step 300
300
#A6CCAB
oklch(80.9% 0.061 148.6)
-
Step 400
400
#74B27E
oklch(70.7% 0.099 148.5)
-
Step 500
500
#4C9E5D
oklch(63.1% 0.126 148.5)
-
Step 600
600 (this color)
#278640
oklch(54.9% 0.137 148.3)
-
Step 700
700
#1B7334
oklch(49% 0.126 148.4)
-
Step 800
800
#1A5E2C
oklch(42.7% 0.105 148.5)
-
Step 900
900
#1D4D27
oklch(37.6% 0.082 148.1)
-
Step 950
950
#122D17
oklch(26.9% 0.052 148.1)
#278640 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) | #877A3A | 0.109 |
| Deuteranopia (no green cones) | #7C7245 | 0.109 |
| Tritanopia (no blue cones) | #008376 | 0.079 |
| Achromatopsia (no color) | #757575 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #278640
#278640
oklch(54.9% 0.137 148.3)
- #9B5099
#9B5099
oklch(54.9% 0.138 328.2)
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 #278640, closest first.
No curated palette has a color within ΔE 0.04 of #278640.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.019
- Sea Green #2E8B57 ΔE 0.031
- Forest Green #228B22 ΔE 0.036
- Tree Green #2A7E19 ΔE 0.037
- Dark Grass Green #388004 ΔE 0.040
- Kelley Green #009337 ΔE 0.044
- Fern Green #548D44 ΔE 0.046
- Emerald Green #028F1E ΔE 0.049
Use #278640 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.