#278744
Closest named color: Jungle Green (#048243). oklch(55.2% 0.134 149.4), rgb(39, 135, 68).
Aa
Black text reads best on this color (4.63:1).
About this color
#278744 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.134 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.021 away. Black text reads best on it, at 4.63:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.63:1 |
| White text | 4.53:1 |
Values
| HEX | #278744 |
| RGB | rgb(39, 135, 68) |
| HSL | hsl(138, 55%, 34%) |
| OKLCH | oklch(55.2% 0.134 149.4) |
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 #278744 | 4.53:1 | AA | Lc -76.5 | Fine for body text |
| Black text on #278744 | 4.63:1 | AA | Lc 33.0 | Non-text elements, placeholder text |
| #278744 text on white | 4.53:1 | AA | Lc 71.1 | Content text, not long reading |
| #278744 text on black | 4.63:1 | AA | Lc -30.6 | 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
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#CAE0CD
oklch(88.5% 0.035 149.3)
-
Step 300
300
#A6CCAC
oklch(80.9% 0.06 149.5)
-
Step 400
400
#74B280
oklch(70.8% 0.097 149.5)
-
Step 500
500
#4C9E5F
oklch(63.1% 0.124 149.3)
-
Step 600
600 (this color)
#278744
oklch(55.2% 0.134 149.4)
-
Step 700
700
#197337
oklch(49% 0.124 149.6)
-
Step 800
800
#195E2E
oklch(42.7% 0.103 149.6)
-
Step 900
900
#1C4D29
oklch(37.6% 0.081 149.6)
-
Step 950
950
#122D18
oklch(26.9% 0.051 149.2)
#278744 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) | #887B3F | 0.110 |
| Deuteranopia (no green cones) | #7C7349 | 0.108 |
| Tritanopia (no blue cones) | #008477 | 0.076 |
| Achromatopsia (no color) | #767676 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #278744
#278744
oklch(55.2% 0.134 149.4)
- #9C5298
#9C5298
oklch(55.2% 0.134 329.2)
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 #278744, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.021
- Sea Green #2E8B57 ΔE 0.026
- Forest Green #228B22 ΔE 0.039
- Tree Green #2A7E19 ΔE 0.042
- Fern Green #548D44 ΔE 0.043
- Kelley Green #009337 ΔE 0.044
- Dark Grass Green #388004 ΔE 0.045
- Viridian #1E9167 ΔE 0.047
Use #278744 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.