#28B313
Closest named color: Kelly Green (#02AB2E). oklch(66.9% 0.217 141.6), rgb(40, 179, 19).
Aa
Black text reads best on this color (7.54:1).
About this color
#28B313 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.217 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelly Green (#02AB2E), ΔE 0.031 away. Black text reads best on it, at 7.54:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.217) |
| Temperature | in between |
| Nearest name | Kelly Green (#02AB2E) |
| Black text | 7.54:1 |
| White text | 2.78:1 |
Values
| HEX | #28B313 |
| RGB | rgb(40, 179, 19) |
| HSL | hsl(112, 81%, 39%) |
| OKLCH | oklch(66.9% 0.217 141.6) |
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 #28B313 | 2.78:1 | Fails | Lc -58.2 | Large or bold text, headings |
| Black text on #28B313 | 7.54:1 | AAA | Lc 51.0 | Large or bold text, headings |
| #28B313 text on white | 2.78:1 | Fails | Lc 53.0 | Large or bold text, headings |
| #28B313 text on black | 7.54:1 | AAA | Lc -48.9 | 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
#F0F8EF
oklch(97.1% 0.015 142.2)
-
Step 100
100
#DFEFDD
oklch(93.5% 0.029 142.2)
-
Step 200
200
#C4E4C0
oklch(88.6% 0.059 142)
-
Step 300
300
#9AD292
oklch(80.9% 0.105 141.5)
-
Step 400
400
#5BBA50
oklch(70.7% 0.17 141.7)
-
Step 500
500 (this color)
#28B313
oklch(66.9% 0.217 141.6)
-
Step 600
600
#168C00
oklch(55.7% 0.186 141.6)
-
Step 700
700
#107600
oklch(49.2% 0.164 141.6)
-
Step 800
800
#0C6100
oklch(42.9% 0.143 141.6)
-
Step 900
900
#085100
oklch(37.8% 0.126 141.6)
-
Step 950
950
#033000
oklch(26.9% 0.09 141.6)
#28B313 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) | #B7A100 | 0.151 |
| Deuteranopia (no green cones) | #A9972C | 0.150 |
| Tritanopia (no blue cones) | #00AD98 | 0.143 |
| Achromatopsia (no color) | #9B9B9B | 0.218 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28B313
#28B313
oklch(66.9% 0.217 141.6)
- #CF5CE2
#CF5CE2
oklch(66.9% 0.216 321.8)
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 #28B313, closest first.
No curated palette has a color within ΔE 0.04 of #28B313.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelly Green #02AB2E ΔE 0.031
- Shamrock #01B44C ΔE 0.036
- Leafy Green #51B73B ΔE 0.038
- Leaf Green #5CA904 ΔE 0.039
- Frog Green #58BC08 ΔE 0.042
- Grass #5CAC2D ΔE 0.043
- Medium Green #39AD48 ΔE 0.045
- Shamrock Green #02C14D ΔE 0.046
Use #28B313 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.