#238566
Closest named color: Sea Green (#2E8B57). oklch(55.3% 0.101 167.2), rgb(35, 133, 102).
Aa
Black text reads best on this color (4.61:1).
About this color
#238566 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.101 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.033 away. Black text reads best on it, at 4.61:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.61:1 |
| White text | 4.54:1 |
Values
| HEX | #238566 |
| RGB | rgb(35, 133, 102) |
| HSL | hsl(161, 58%, 33%) |
| OKLCH | oklch(55.3% 0.101 167.2) |
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 #238566 | 4.54:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #238566 | 4.61:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #238566 text on white | 4.54:1 | AA | Lc 71.2 | Content text, not long reading |
| #238566 text on black | 4.61:1 | AA | Lc -30.4 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CADFD6
oklch(88.5% 0.026 168.2)
-
Step 300
300
#A5CBBA
oklch(81% 0.047 166.2)
-
Step 400
400
#73B097
oklch(70.8% 0.073 166.6)
-
Step 500
500
#499C7E
oklch(63.2% 0.094 167.2)
-
Step 600
600 (this color)
#238566
oklch(55.3% 0.101 167.2)
-
Step 700
700
#147155
oklch(49% 0.094 167)
-
Step 800
800
#165C46
oklch(42.6% 0.077 167.4)
-
Step 900
900
#1B4C3B
oklch(37.8% 0.061 167.2)
-
Step 950
950
#112C22
oklch(26.8% 0.038 167)
#238566 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) | #827B64 | 0.102 |
| Deuteranopia (no green cones) | #757268 | 0.098 |
| Tritanopia (no blue cones) | #00867C | 0.033 |
| Achromatopsia (no color) | #767676 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #238566
#238566
oklch(55.3% 0.101 167.2)
- #9D597E
#9D597E
oklch(55.4% 0.101 347.1)
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 #238566, 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 0.037
- Dark Sage #598556 ΔE 0.046
- Teal #008080 ΔE 0.048
- Jungle Green #048243 ΔE 0.051
- Dark Cyan #008B8B ΔE 0.053
- Bluegreen #017A79 ΔE 0.054
- Light Forest Green #4F9153 ΔE 0.061
Use #238566 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.