#28A800
Closest named color: Kelly Green (#02AB2E). oklch(63.8% 0.209 140.9), rgb(40, 168, 0).
Aa
Black text reads best on this color (6.69:1).
About this color
#28A800 is a medium-light, vivid green. In OKLCH its lightness is 64%, its chroma 0.209 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelly Green (#02AB2E), ΔE 0.017 away. Black text reads best on it, at 6.69:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.209) |
| Temperature | in between |
| Nearest name | Kelly Green (#02AB2E) |
| Black text | 6.69:1 |
| White text | 3.13:1 |
Values
| HEX | #28A800 |
| RGB | rgb(40, 168, 0) |
| HSL | hsl(106, 100%, 33%) |
| OKLCH | oklch(63.8% 0.209 140.9) |
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 #28A800 | 3.13:1 | AA large text | Lc -63.2 | Content text, not long reading |
| Black text on #28A800 | 6.69:1 | AA | Lc 46.3 | Large or bold text, headings |
| #28A800 text on white | 3.13:1 | AA large text | Lc 57.8 | Large or bold text, headings |
| #28A800 text on black | 6.69:1 | AA | Lc -43.9 | 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 500.
-
Step 50
50
#F1F8EF
oklch(97.1% 0.014 138.7)
-
Step 100
100
#E0EFDD
oklch(93.6% 0.029 140.5)
-
Step 200
200
#C5E3C0
oklch(88.5% 0.057 141.1)
-
Step 300
300
#9CD193
oklch(80.8% 0.102 140.9)
-
Step 400
400
#61B952
oklch(70.8% 0.164 140.8)
-
Step 500
500 (this color)
#28A800
oklch(63.8% 0.209 140.9)
-
Step 600
600
#1F8B00
oklch(55.6% 0.182 140.9)
-
Step 700
700
#197500
oklch(49.1% 0.161 140.9)
-
Step 800
800
#136000
oklch(42.7% 0.14 140.8)
-
Step 900
900
#0E5000
oklch(37.6% 0.123 140.9)
-
Step 950
950
#073001
oklch(27.1% 0.087 140.7)
#28A800 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) | #AD9700 | 0.146 |
| Deuteranopia (no green cones) | #9F8E23 | 0.142 |
| Tritanopia (no blue cones) | #00A28E | 0.140 |
| Achromatopsia (no color) | #919191 | 0.210 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28A800
#28A800
oklch(63.8% 0.209 140.9)
- #C255D7
#C255D7
oklch(63.8% 0.21 320.9)
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 #28A800, closest first.
No curated palette has a color within ΔE 0.04 of #28A800.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelly Green #02AB2E ΔE 0.017
- Grassy Green #419C03 ΔE 0.036
- Leaf Green #5CA904 ΔE 0.037
- Grass Green #3F9B0B ΔE 0.039
- Medium Green #39AD48 ΔE 0.044
- Grass #5CAC2D ΔE 0.046
- Shamrock #01B44C ΔE 0.047
- Mid Green #50A747 ΔE 0.054
Use #28A800 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.