#28BF5A
Closest named color: Shamrock Green (#02C14D). oklch(70.7% 0.187 149), rgb(40, 191, 90).
Aa
Black text reads best on this color (8.69:1).
About this color
#28BF5A is a medium-light, vivid green. In OKLCH its lightness is 71%, its chroma 0.187 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock Green (#02C14D), ΔE 0.019 away. Black text reads best on it, at 8.69:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.187) |
| Temperature | in between |
| Nearest name | Shamrock Green (#02C14D) |
| Black text | 8.69:1 |
| White text | 2.41:1 |
Values
| HEX | #28BF5A |
| RGB | rgb(40, 191, 90) |
| HSL | hsl(140, 65%, 45%) |
| OKLCH | oklch(70.7% 0.187 149) |
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 #28BF5A | 2.41:1 | Fails | Lc -52.0 | Large or bold text, headings |
| Black text on #28BF5A | 8.69:1 | AAA | Lc 57.0 | Large or bold text, headings |
| #28BF5A text on white | 2.41:1 | Fails | Lc 47.0 | Large or bold text, headings |
| #28BF5A text on black | 8.69:1 | AAA | Lc -55.0 | 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
#EFF9F0
oklch(97.2% 0.016 148.4)
-
Step 100
100
#DBF1DE
oklch(93.7% 0.034 149.3)
-
Step 200
200
#BCE6C2
oklch(88.5% 0.066 149)
-
Step 300
300
#89D697
oklch(81% 0.117 149)
-
Step 400
400 (this color)
#28BF5A
oklch(70.7% 0.187 149)
-
Step 500
500
#00A547
oklch(63% 0.178 149.1)
-
Step 600
600
#008B3A
oklch(55.6% 0.157 148.9)
-
Step 700
700
#007530
oklch(49.1% 0.138 149)
-
Step 800
800
#006026
oklch(42.7% 0.12 149)
-
Step 900
900
#00501E
oklch(37.6% 0.107 148.8)
-
Step 950
950
#00300F
oklch(27% 0.076 148.8)
#28BF5A 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) | #C1AE51 | 0.151 |
| Deuteranopia (no green cones) | #B0A262 | 0.150 |
| Tritanopia (no blue cones) | #00BBA8 | 0.107 |
| Achromatopsia (no color) | #A7A7A7 | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28BF5A
#28BF5A
oklch(70.7% 0.187 149)
- #DE6FD9
#DE6FD9
oklch(70.7% 0.188 329)
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 #28BF5A, closest first.
No curated palette has a color within ΔE 0.04 of #28BF5A.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock Green #02C14D ΔE 0.019
- Algae Green #21C36F ΔE 0.023
- Cool Green #33B864 ΔE 0.026
- Dark Mint Green #20C073 ΔE 0.028
- Leafy Green #51B73B ΔE 0.031
- Dark Mint #48C072 ΔE 0.035
- Shamrock #01B44C ΔE 0.035
- Frog Green #58BC08 ΔE 0.049
Use #28BF5A 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.