#228E5F
Closest named color: Sea Green (#2E8B57). oklch(57.5% 0.12 159.4), rgb(34, 142, 95).
Aa
Black text reads best on this color (5.10:1).
About this color
#228E5F is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.120 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.012 away. Black text reads best on it, at 5.10:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 5.10:1 |
| White text | 4.11:1 |
Values
| HEX | #228E5F |
| RGB | rgb(34, 142, 95) |
| HSL | hsl(154, 61%, 35%) |
| OKLCH | oklch(57.5% 0.12 159.4) |
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 #228E5F | 4.11:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #228E5F | 5.10:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #228E5F text on white | 4.11:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #228E5F text on black | 5.10:1 | AA | Lc -33.8 | 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
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#C9E0D2
oklch(88.6% 0.031 159)
-
Step 300
300
#A4CCB4
oklch(81% 0.054 158.6)
-
Step 400
400
#6FB18D
oklch(70.6% 0.086 159.3)
-
Step 500
500
#439E71
oklch(63.2% 0.111 159.2)
-
Step 600
600 (this color)
#228E5F
oklch(57.5% 0.12 159.4)
-
Step 700
700
#027349
oklch(49% 0.111 159.3)
-
Step 800
800
#0D5E3C
oklch(42.7% 0.093 159.1)
-
Step 900
900
#174D34
oklch(37.7% 0.071 159.7)
-
Step 950
950
#0F2D1E
oklch(26.9% 0.046 159.2)
#228E5F 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) | #8C835C | 0.111 |
| Deuteranopia (no green cones) | #7F7962 | 0.109 |
| Tritanopia (no blue cones) | #008D82 | 0.053 |
| Achromatopsia (no color) | #7D7D7D | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #228E5F
#228E5F
oklch(57.5% 0.12 159.4)
- #A65B90
#A65B90
oklch(57.6% 0.119 339.1)
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 #228E5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.012
- Viridian #1E9167 ΔE 0.012
- Light Forest Green #4F9153 ΔE 0.036
- Fern Green #548D44 ΔE 0.044
- Ocean Green #3D9973 ΔE 0.045
- Dark Sage #598556 ΔE 0.045
- Jungle Green #048243 ΔE 0.049
- Kelley Green #009337 ΔE 0.058
Use #228E5F 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.