#288440
Closest named color: Jungle Green (#048243). oklch(54.3% 0.134 148.4), rgb(40, 132, 64).
Aa
White text reads best on this color (4.70:1).
About this color
#288440 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.134 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 0.015 away. White text reads best on it, at 4.70:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Jungle Green (#048243) |
| Black text | 4.46:1 |
| White text | 4.70:1 |
Values
| HEX | #288440 |
| RGB | rgb(40, 132, 64) |
| HSL | hsl(136, 53%, 34%) |
| OKLCH | oklch(54.3% 0.134 148.4) |
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 #288440 | 4.70:1 | AA | Lc -77.7 | Fine for body text |
| Black text on #288440 | 4.46:1 | AA large text | Lc 31.8 | Non-text elements, placeholder text |
| #288440 text on white | 4.70:1 | AA | Lc 72.3 | Content text, not long reading |
| #288440 text on black | 4.46:1 | AA large text | Lc -29.4 | 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
#CBE0CD
oklch(88.6% 0.034 148)
-
Step 300
300
#A7CCAB
oklch(80.9% 0.061 148)
-
Step 400
400
#76B17F
oklch(70.6% 0.095 148.4)
-
Step 500
500
#4E9E5E
oklch(63.2% 0.124 148.4)
-
Step 600
600 (this color)
#288440
oklch(54.3% 0.134 148.4)
-
Step 700
700
#1E7335
oklch(49.1% 0.124 148.3)
-
Step 800
800
#1C5E2D
oklch(42.8% 0.103 148.5)
-
Step 900
900
#1E4D28
oklch(37.7% 0.081 148.3)
-
Step 950
950
#132D18
oklch(27% 0.05 148.5)
#288440 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) | #85783A | 0.107 |
| Deuteranopia (no green cones) | #7A7045 | 0.107 |
| Tritanopia (no blue cones) | #008174 | 0.077 |
| Achromatopsia (no color) | #747474 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #288440
#288440
oklch(54.3% 0.134 148.4)
- #985096
#985096
oklch(54.3% 0.133 328.2)
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 #288440, closest first.
No curated palette has a color within ΔE 0.04 of #288440.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jungle Green #048243 ΔE 0.015
- Sea Green #2E8B57 ΔE 0.033
- Tree Green #2A7E19 ΔE 0.036
- Dark Grass Green #388004 ΔE 0.040
- Forest Green #228B22 ΔE 0.041
- Fern Green #548D44 ΔE 0.049
- Kelley Green #009337 ΔE 0.050
- Green #008000 ΔE 0.052
Use #288440 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.