#28B027
Closest named color: Kelly Green (#02AB2E). oklch(66.2% 0.206 142.7), rgb(40, 176, 39).
Aa
Black text reads best on this color (7.32:1).
About this color
#28B027 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.206 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelly Green (#02AB2E), ΔE 0.019 away. Black text reads best on it, at 7.32:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.206) |
| Temperature | in between |
| Nearest name | Kelly Green (#02AB2E) |
| Black text | 7.32:1 |
| White text | 2.86:1 |
Values
| HEX | #28B027 |
| RGB | rgb(40, 176, 39) |
| HSL | hsl(120, 64%, 42%) |
| OKLCH | oklch(66.2% 0.206 142.7) |
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 #28B027 | 2.86:1 | Fails | Lc -59.5 | Large or bold text, headings |
| Black text on #28B027 | 7.32:1 | AAA | Lc 49.8 | Large or bold text, headings |
| #28B027 text on white | 2.86:1 | Fails | Lc 54.2 | Large or bold text, headings |
| #28B027 text on black | 7.32:1 | AAA | Lc -47.6 | 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 500.
-
Step 50
50
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DFEFDE
oklch(93.6% 0.028 143.7)
-
Step 200
200
#C4E3C2
oklch(88.4% 0.055 143.5)
-
Step 300
300
#9AD296
oklch(81% 0.101 143)
-
Step 400
400
#5DB958
oklch(70.7% 0.161 142.7)
-
Step 500
500 (this color)
#28B027
oklch(66.2% 0.206 142.7)
-
Step 600
600
#008C06
oklch(55.5% 0.187 142.7)
-
Step 700
700
#007604
oklch(49% 0.166 142.7)
-
Step 800
800
#006103
oklch(42.7% 0.144 142.8)
-
Step 900
900
#005102
oklch(37.7% 0.127 142.8)
-
Step 950
950
#043004
oklch(27% 0.085 142.8)
#28B027 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) | #B49F01 | 0.145 |
| Deuteranopia (no green cones) | #A59537 | 0.145 |
| Tritanopia (no blue cones) | #00AB96 | 0.132 |
| Achromatopsia (no color) | #999999 | 0.207 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28B027
#28B027
oklch(66.2% 0.206 142.7)
- #CB5DDA
#CB5DDA
oklch(66.1% 0.206 322.7)
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 #28B027, closest first.
No curated palette has a color within ΔE 0.04 of #28B027.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelly Green #02AB2E ΔE 0.019
- Shamrock #01B44C ΔE 0.027
- Medium Green #39AD48 ΔE 0.032
- Leaf Green #5CA904 ΔE 0.034
- Grass #5CAC2D ΔE 0.036
- Leafy Green #51B73B ΔE 0.038
- Shamrock Green #02C14D ΔE 0.049
- Mid Green #50A747 ΔE 0.049
Use #28B027 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.