#218568
Closest named color: Sea Green (#2E8B57). oklch(55.3% 0.1 168.8), rgb(33, 133, 104).
Aa
Black text reads best on this color (4.61:1).
About this color
#218568 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.100 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.036 away. Black text reads best on it, at 4.61:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.61:1 |
| White text | 4.54:1 |
Values
| HEX | #218568 |
| RGB | rgb(33, 133, 104) |
| HSL | hsl(163, 60%, 33%) |
| OKLCH | oklch(55.3% 0.1 168.8) |
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 #218568 | 4.54:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #218568 | 4.61:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #218568 text on white | 4.54:1 | AA | Lc 71.2 | Content text, not long reading |
| #218568 text on black | 4.61:1 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
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
#A5CABB
oklch(80.8% 0.045 168.6)
-
Step 400
400
#72B099
oklch(70.8% 0.073 168.8)
-
Step 500
500
#489B80
oklch(63% 0.092 169.5)
-
Step 600
600 (this color)
#218568
oklch(55.3% 0.1 168.8)
-
Step 700
700
#117157
oklch(49% 0.093 168.9)
-
Step 800
800
#145C47
oklch(42.6% 0.077 168.7)
-
Step 900
900
#1A4C3C
oklch(37.8% 0.061 168.8)
-
Step 950
950
#112C23
oklch(26.9% 0.037 169.3)
#218568 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) | #817C67 | 0.101 |
| Deuteranopia (no green cones) | #74726A | 0.098 |
| Tritanopia (no blue cones) | #00867D | 0.031 |
| Achromatopsia (no color) | #767676 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #218568
#218568
oklch(55.3% 0.1 168.8)
- #9D597C
#9D597C
oklch(55.3% 0.1 348.7)
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 #218568, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.036
- Viridian #1E9167 ΔE 0.038
- Teal #008080 ΔE 0.045
- Dark Sage #598556 ΔE 0.048
- Dark Cyan #008B8B ΔE 0.050
- Bluegreen #017A79 ΔE 0.051
- Jungle Green #048243 ΔE 0.054
- Dusty Teal #4C9085 ΔE 0.063
Use #218568 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.