#28BF4D
Closest named color: Shamrock Green (#02C14D). oklch(70.6% 0.198 146.7), rgb(40, 191, 77).
Aa
Black text reads best on this color (8.64:1).
About this color
#28BF4D is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.198 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock Green (#02C14D), ΔE 0.009 away. Black text reads best on it, at 8.64:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.198) |
| Temperature | in between |
| Nearest name | Shamrock Green (#02C14D) |
| Black text | 8.64:1 |
| White text | 2.42:1 |
Values
| HEX | #28BF4D |
| RGB | rgb(40, 191, 77) |
| HSL | hsl(135, 65%, 45%) |
| OKLCH | oklch(70.6% 0.198 146.7) |
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 #28BF4D | 2.42:1 | Fails | Lc -52.2 | Large or bold text, headings |
| Black text on #28BF4D | 8.64:1 | AAA | Lc 56.8 | Large or bold text, headings |
| #28BF4D text on white | 2.42:1 | Fails | Lc 47.2 | Large or bold text, headings |
| #28BF4D text on black | 8.64:1 | AAA | Lc -54.8 | 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
#EFF9EF
oklch(97.2% 0.017 145.4)
-
Step 100
100
#DBF1DC
oklch(93.6% 0.036 146.5)
-
Step 200
200
#BCE6BF
oklch(88.5% 0.069 146.9)
-
Step 300
300
#89D691
oklch(80.8% 0.123 146.8)
-
Step 400
400 (this color)
#28BF4D
oklch(70.6% 0.198 146.7)
-
Step 500
500
#00A63A
oklch(63.2% 0.189 146.7)
-
Step 600
600
#008C2F
oklch(55.7% 0.167 146.6)
-
Step 700
700
#007526
oklch(49% 0.147 146.7)
-
Step 800
800
#00601E
oklch(42.6% 0.127 146.7)
-
Step 900
900
#005018
oklch(37.6% 0.112 146.9)
-
Step 950
950
#00300B
oklch(26.9% 0.08 146.8)
#28BF4D 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) | #C2AD41 | 0.154 |
| Deuteranopia (no green cones) | #B1A256 | 0.151 |
| Tritanopia (no blue cones) | #00BBA6 | 0.117 |
| Achromatopsia (no color) | #A6A6A6 | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28BF4D
#28BF4D
oklch(70.6% 0.198 146.7)
- #DD6CDF
#DD6CDF
oklch(70.5% 0.197 326.8)
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 #28BF4D, closest first.
No curated palette has a color within ΔE 0.04 of #28BF4D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock Green #02C14D ΔE 0.009
- Leafy Green #51B73B ΔE 0.027
- Shamrock #01B44C ΔE 0.035
- Algae Green #21C36F ΔE 0.035
- Cool Green #33B864 ΔE 0.037
- Frog Green #58BC08 ΔE 0.038
- Dark Mint Green #20C073 ΔE 0.041
- Dark Mint #48C072 ΔE 0.047
Use #28BF4D 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.