#28B246
Closest named color: Shamrock (#01B44C). oklch(67% 0.188 146.3), rgb(40, 178, 70).
Aa
Black text reads best on this color (7.54:1).
About this color
#28B246 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.188 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock (#01B44C), ΔE 0.009 away. Black text reads best on it, at 7.54:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.188) |
| Temperature | in between |
| Nearest name | Shamrock (#01B44C) |
| Black text | 7.54:1 |
| White text | 2.78:1 |
Values
| HEX | #28B246 |
| RGB | rgb(40, 178, 70) |
| HSL | hsl(133, 63%, 43%) |
| OKLCH | oklch(67% 0.188 146.3) |
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 #28B246 | 2.78:1 | Fails | Lc -58.3 | Large or bold text, headings |
| Black text on #28B246 | 7.54:1 | AAA | Lc 50.9 | Large or bold text, headings |
| #28B246 text on white | 2.78:1 | Fails | Lc 53.1 | Large or bold text, headings |
| #28B246 text on black | 7.54:1 | AAA | Lc -48.8 | Large or bold text, headings |
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 400.
-
Step 50
50
#EFF8EF
oklch(97% 0.015 145.5)
-
Step 100
100
#DCF0DD
oklch(93.5% 0.033 146.7)
-
Step 200
200
#BEE5C0
oklch(88.4% 0.065 146.4)
-
Step 300
300
#8DD593
oklch(80.9% 0.117 146.4)
-
Step 400
400 (this color)
#28B246
oklch(67% 0.188 146.3)
-
Step 500
500
#00A637
oklch(63.1% 0.191 146.3)
-
Step 600
600
#008C2D
oklch(55.7% 0.169 146.3)
-
Step 700
700
#007524
oklch(49% 0.148 146.3)
-
Step 800
800
#00601C
oklch(42.6% 0.129 146.3)
-
Step 900
900
#005016
oklch(37.5% 0.114 146.3)
-
Step 950
950
#00300A
oklch(26.9% 0.081 146.4)
#28B246 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) | #B5A13A | 0.145 |
| Deuteranopia (no green cones) | #A5974F | 0.143 |
| Tritanopia (no blue cones) | #00AE9B | 0.113 |
| Achromatopsia (no color) | #9B9B9B | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28B246
#28B246
oklch(67% 0.188 146.3)
- #CE65D1
#CE65D1
oklch(67% 0.187 326.4)
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 #28B246, closest first.
No curated palette has a color within ΔE 0.04 of #28B246.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock #01B44C ΔE 0.009
- Medium Green #39AD48 ΔE 0.016
- Kelly Green #02AB2E ΔE 0.030
- Leafy Green #51B73B ΔE 0.030
- Grass #5CAC2D ΔE 0.033
- Cool Green #33B864 ΔE 0.035
- Mid Green #50A747 ΔE 0.037
- Dark Pastel Green #56AE57 ΔE 0.039
Use #28B246 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.