#288361
Closest named color: Sea Green (#2E8B57). oklch(54.7% 0.101 164.1), rgb(40, 131, 97).
Aa
White text reads best on this color (4.65:1).
About this color
#288361 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.101 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.033 away. White text reads best on it, at 4.65:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.50:1 |
| White text | 4.65:1 |
Values
| HEX | #288361 |
| RGB | rgb(40, 131, 97) |
| HSL | hsl(158, 53%, 34%) |
| OKLCH | oklch(54.7% 0.101 164.1) |
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 #288361 | 4.65:1 | AA | Lc -77.5 | Fine for body text |
| Black text on #288361 | 4.50:1 | AA | Lc 32.1 | Non-text elements, placeholder text |
| #288361 text on white | 4.65:1 | AA | Lc 72.0 | Content text, not long reading |
| #288361 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#CBDFD5
oklch(88.6% 0.025 164.4)
-
Step 300
300
#A7CAB9
oklch(80.9% 0.044 164.3)
-
Step 400
400
#75AF95
oklch(70.6% 0.072 164.7)
-
Step 500
500
#4D9B7A
oklch(63% 0.093 164)
-
Step 600
600 (this color)
#288361
oklch(54.7% 0.101 164.1)
-
Step 700
700
#1C7152
oklch(49.1% 0.094 163.9)
-
Step 800
800
#1B5C44
oklch(42.7% 0.077 164.7)
-
Step 900
900
#1E4C39
oklch(37.8% 0.061 163.8)
-
Step 950
950
#132C21
oklch(26.9% 0.038 163.5)
#288361 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) | #80795F | 0.098 |
| Deuteranopia (no green cones) | #747163 | 0.094 |
| Tritanopia (no blue cones) | #00837A | 0.038 |
| Achromatopsia (no color) | #747474 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #288361
#288361
oklch(54.7% 0.101 164.1)
- #9A587F
#9A587F
oklch(54.9% 0.1 344.6)
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 #288361, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.033
- Viridian #1E9167 ΔE 0.041
- Dark Sage #598556 ΔE 0.045
- Jungle Green #048243 ΔE 0.046
- Teal #008080 ΔE 0.052
- Bluegreen #017A79 ΔE 0.055
- Dark Cyan #008B8B ΔE 0.060
- Light Forest Green #4F9153 ΔE 0.062
Use #288361 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.