#288139
Closest named color: Jungle Green (#048243). oklch(53.4% 0.136 146.7), rgb(40, 129, 57).
Aa
White text reads best on this color (4.89:1).
About this color
#288139 is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.136 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.014 away. White text reads best on it, at 4.89:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.28:1 |
| White text | 4.89:1 |
Values
| HEX | #288139 |
| RGB | rgb(40, 129, 57) |
| HSL | hsl(131, 53%, 33%) |
| OKLCH | oklch(53.4% 0.136 146.7) |
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 #288139 | 4.89:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #288139 | 4.28:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #288139 text on white | 4.89:1 | AA | Lc 73.6 | Content text, not long reading |
| #288139 text on black | 4.28:1 | AA large text | Lc -28.1 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE3
oklch(93.6% 0.017 145.4)
-
Step 200
200
#CBE0CC
oklch(88.6% 0.035 146.6)
-
Step 300
300
#A7CCAA
oklch(80.9% 0.062 147.2)
-
Step 400
400
#77B17C
oklch(70.6% 0.098 146.5)
-
Step 500
500
#509D5A
oklch(63% 0.125 146.7)
-
Step 600
600 (this color)
#288139
oklch(53.4% 0.136 146.7)
-
Step 700
700
#217331
oklch(49.1% 0.127 146.7)
-
Step 800
800
#1E5E2A
oklch(42.8% 0.105 146.9)
-
Step 900
900
#204D26
oklch(37.8% 0.082 146.4)
-
Step 950
950
#142D17
oklch(27% 0.051 146.6)
#288139 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) | #837532 | 0.107 |
| Deuteranopia (no green cones) | #786E3E | 0.105 |
| Tritanopia (no blue cones) | #087E71 | 0.081 |
| Achromatopsia (no color) | #717171 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #288139
#288139
oklch(53.4% 0.136 146.7)
- #954D96
#954D96
oklch(53.5% 0.136 326.8)
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 #288139, closest first.
No curated palette has a color within ΔE 0.04 of #288139.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.014
- Tree Green #2A7E19 ΔE 0.027
- Dark Grass Green #388004 ΔE 0.034
- Forest Green #228B22 ΔE 0.042
- Sea Green #2E8B57 ΔE 0.043
- Green #008000 ΔE 0.044
- Emerald Green #028F1E ΔE 0.055
- Kelley Green #009337 ΔE 0.055
Use #288139 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.