#288360
Closest named color: Sea Green (#2E8B57). oklch(54.7% 0.102 163.5), rgb(40, 131, 96).
Aa
White text reads best on this color (4.66:1).
About this color
#288360 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.102 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.032 away. White text reads best on it, at 4.66:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.50:1 |
| White text | 4.66:1 |
Values
| HEX | #288360 |
| RGB | rgb(40, 131, 96) |
| HSL | hsl(157, 53%, 34%) |
| OKLCH | oklch(54.7% 0.102 163.5) |
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 #288360 | 4.66:1 | AA | Lc -77.5 | Fine for body text |
| Black text on #288360 | 4.50:1 | AA | Lc 32.0 | Non-text elements, placeholder text |
| #288360 text on white | 4.66:1 | AA | Lc 72.1 | Content text, not long reading |
| #288360 text on black | 4.50:1 | AA | Lc -29.6 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#CBDFD4
oklch(88.6% 0.026 161.9)
-
Step 300
300
#A7CAB8
oklch(80.8% 0.045 162.9)
-
Step 400
400
#75AF94
oklch(70.6% 0.073 163.7)
-
Step 500
500
#4D9B7A
oklch(63% 0.093 164)
-
Step 600
600 (this color)
#288360
oklch(54.7% 0.102 163.5)
-
Step 700
700
#1C7151
oklch(49% 0.095 163.2)
-
Step 800
800
#1B5C43
oklch(42.7% 0.078 163.7)
-
Step 900
900
#1E4C38
oklch(37.8% 0.062 162.5)
-
Step 950
950
#132C21
oklch(26.9% 0.038 163.5)
#288360 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) | #81795E | 0.100 |
| Deuteranopia (no green cones) | #757162 | 0.096 |
| Tritanopia (no blue cones) | #008379 | 0.038 |
| Achromatopsia (no color) | #747474 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #288360
#288360
oklch(54.7% 0.102 163.5)
- #995780
#995780
oklch(54.6% 0.102 343)
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 #288360, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.032
- Viridian #1E9167 ΔE 0.041
- Dark Sage #598556 ΔE 0.044
- Jungle Green #048243 ΔE 0.045
- Teal #008080 ΔE 0.053
- Bluegreen #017A79 ΔE 0.056
- Dark Cyan #008B8B ΔE 0.061
- Light Forest Green #4F9153 ΔE 0.061
Use #288360 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.