#288539
Closest named color: Jungle Green (#048243). oklch(54.5% 0.142 146.4), rgb(40, 133, 57).
Aa
White text reads best on this color (4.66:1).
About this color
#288539 is a medium-dark, vivid green. In OKLCH its lightness is 54%, its chroma 0.142 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jungle Green (#048243), ΔE 0.020 away. White text reads best on it, at 4.66:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.50:1 |
| White text | 4.66:1 |
Values
| HEX | #288539 |
| RGB | rgb(40, 133, 57) |
| HSL | hsl(131, 54%, 34%) |
| OKLCH | oklch(54.5% 0.142 146.4) |
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 #288539 | 4.66:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #288539 | 4.50:1 | AA | Lc 32.1 | Non-text elements, placeholder text |
| #288539 text on white | 4.66:1 | AA | Lc 72.0 | Content text, not long reading |
| #288539 text on black | 4.50:1 | AA | Lc -29.7 | 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
#E2EDE3
oklch(93.5% 0.018 148.1)
-
Step 200
200
#CBE0CC
oklch(88.6% 0.035 146.6)
-
Step 300
300
#A7CCA9
oklch(80.9% 0.063 146.4)
-
Step 400
400
#75B27A
oklch(70.7% 0.103 146.3)
-
Step 500
500
#4E9E58
oklch(63.1% 0.13 146.5)
-
Step 600
600 (this color)
#288539
oklch(54.5% 0.142 146.4)
-
Step 700
700
#1D742E
oklch(49.2% 0.133 146.3)
-
Step 800
800
#1C5E27
oklch(42.7% 0.109 146.2)
-
Step 900
900
#1E4D25
oklch(37.6% 0.084 146.6)
-
Step 950
950
#132D16
oklch(26.9% 0.053 146.4)
#288539 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) | #877932 | 0.110 |
| Deuteranopia (no green cones) | #7C713F | 0.109 |
| Tritanopia (no blue cones) | #048274 | 0.084 |
| Achromatopsia (no color) | #747474 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #288539
#288539
oklch(54.5% 0.142 146.4)
- #994E9B
#994E9B
oklch(54.4% 0.142 326.3)
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 #288539, closest first.
No curated palette has a color within ΔE 0.04 of #288539.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.020
- Tree Green #2A7E19 ΔE 0.030
- Forest Green #228B22 ΔE 0.031
- Dark Grass Green #388004 ΔE 0.033
- Sea Green #2E8B57 ΔE 0.038
- Kelley Green #009337 ΔE 0.043
- Green #008000 ΔE 0.045
- Emerald Green #028F1E ΔE 0.045
Use #288539 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.