#228561
Closest named color: Sea Green (#2E8B57). oklch(55.1% 0.106 163.9), rgb(34, 133, 97).
Aa
Black text reads best on this color (4.59:1).
About this color
#228561 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.106 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 0.028 away. Black text reads best on it, at 4.59:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 4.59:1 |
| White text | 4.56:1 |
Values
| HEX | #228561 |
| RGB | rgb(34, 133, 97) |
| HSL | hsl(158, 59%, 33%) |
| OKLCH | oklch(55.1% 0.106 163.9) |
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 #228561 | 4.56:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #228561 | 4.59:1 | AA | Lc 32.7 | Non-text elements, placeholder text |
| #228561 text on white | 4.56:1 | AA | Lc 71.4 | Content text, not long reading |
| #228561 text on black | 4.59:1 | AA | Lc -30.3 | 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
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#CADFD4
oklch(88.5% 0.027 163.1)
-
Step 300
300
#A5CBB8
oklch(80.9% 0.048 163.5)
-
Step 400
400
#73B094
oklch(70.7% 0.076 163.9)
-
Step 500
500
#499C79
oklch(63.1% 0.098 163.6)
-
Step 600
600 (this color)
#228561
oklch(55.1% 0.106 163.9)
-
Step 700
700
#147251
oklch(49.2% 0.099 163.6)
-
Step 800
800
#165D43
oklch(42.8% 0.081 164)
-
Step 900
900
#1B4C38
oklch(37.7% 0.064 163.5)
-
Step 950
950
#112D21
oklch(27.1% 0.041 163.5)
#228561 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) | #827B5F | 0.103 |
| Deuteranopia (no green cones) | #767263 | 0.100 |
| Tritanopia (no blue cones) | #00857B | 0.039 |
| Achromatopsia (no color) | #767676 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #228561
#228561
oklch(55.1% 0.106 163.9)
- #9C5781
#9C5781
oklch(55% 0.106 343.8)
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 #228561, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.028
- Viridian #1E9167 ΔE 0.036
- Jungle Green #048243 ΔE 0.044
- Dark Sage #598556 ΔE 0.045
- Teal #008080 ΔE 0.055
- Light Forest Green #4F9153 ΔE 0.058
- Bluegreen #017A79 ΔE 0.059
- Dark Cyan #008B8B ΔE 0.060
Use #228561 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.