#288654
Closest named color: Sea Green (#2E8B57). oklch(55.3% 0.117 155.7), rgb(40, 134, 84).
Aa
Black text reads best on this color (4.62:1).
About this color
#288654 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.117 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.016 away. Black text reads best on it, at 4.62:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.62:1 |
| White text | 4.53:1 |
Values
| HEX | #288654 |
| RGB | rgb(40, 134, 84) |
| HSL | hsl(148, 54%, 34%) |
| OKLCH | oklch(55.3% 0.117 155.7) |
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 #288654 | 4.53:1 | AA | Lc -76.6 | Fine for body text |
| Black text on #288654 | 4.62:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #288654 text on white | 4.53:1 | AA | Lc 71.2 | Content text, not long reading |
| #288654 text on black | 4.62:1 | AA | Lc -30.5 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#CBDFD1
oklch(88.5% 0.029 155.2)
-
Step 300
300
#A6CBB2
oklch(80.8% 0.053 155.5)
-
Step 400
400
#74B18A
oklch(70.8% 0.085 155.5)
-
Step 500
500
#4C9D6D
oklch(63.2% 0.108 155.5)
-
Step 600
600 (this color)
#288654
oklch(55.3% 0.117 155.7)
-
Step 700
700
#1A7245
oklch(49% 0.108 155.7)
-
Step 800
800
#1A5D39
oklch(42.7% 0.09 155.6)
-
Step 900
900
#1D4C31
oklch(37.6% 0.07 155.6)
-
Step 950
950
#122D1D
oklch(27% 0.045 155.8)
#288654 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) | #857B51 | 0.105 |
| Deuteranopia (no green cones) | #797357 | 0.101 |
| Tritanopia (no blue cones) | #008579 | 0.055 |
| Achromatopsia (no color) | #767676 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #288654
#288654
oklch(55.3% 0.117 155.7)
- #9C568C
#9C568C
oklch(55.3% 0.116 336.2)
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 #288654, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.016
- Jungle Green #048243 ΔE 0.029
- Viridian #1E9167 ΔE 0.035
- Dark Sage #598556 ΔE 0.043
- Fern Green #548D44 ΔE 0.048
- Light Forest Green #4F9153 ΔE 0.049
- Military Green #667C3E ΔE 0.060
- Tree Green #2A7E19 ΔE 0.060
Use #288654 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.