#28B14C
Closest named color: Shamrock (#01B44C). oklch(66.8% 0.182 147.4), rgb(40, 177, 76).
Aa
Black text reads best on this color (7.48:1).
About this color
#28B14C is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.182 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Shamrock (#01B44C), ΔE 0.011 away. Black text reads best on it, at 7.48:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.182) |
| Temperature | in between |
| Nearest name | Shamrock (#01B44C) |
| Black text | 7.48:1 |
| White text | 2.80:1 |
Values
| HEX | #28B14C |
| RGB | rgb(40, 177, 76) |
| HSL | hsl(136, 63%, 43%) |
| OKLCH | oklch(66.8% 0.182 147.4) |
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 #28B14C | 2.80:1 | Fails | Lc -58.7 | Large or bold text, headings |
| Black text on #28B14C | 7.48:1 | AAA | Lc 50.6 | Large or bold text, headings |
| #28B14C text on white | 2.80:1 | Fails | Lc 53.5 | Large or bold text, headings |
| #28B14C text on black | 7.48:1 | AAA | Lc -48.4 | 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
#F0F8F1
oklch(97.1% 0.013 149.3)
-
Step 100
100
#DFEFE0
oklch(93.6% 0.026 147.1)
-
Step 200
200
#C4E3C7
oklch(88.6% 0.05 147.8)
-
Step 300
300
#9AD1A0
oklch(81% 0.089 147.5)
-
Step 400
400
#5CB86B
oklch(70.7% 0.142 147.4)
-
Step 500
500 (this color)
#28B14C
oklch(66.8% 0.182 147.4)
-
Step 600
600
#008B33
oklch(55.5% 0.163 147.4)
-
Step 700
700
#00752A
oklch(49% 0.144 147.5)
-
Step 800
800
#006021
oklch(42.6% 0.125 147.5)
-
Step 900
900
#00501A
oklch(37.6% 0.11 147.5)
-
Step 950
950
#03300E
oklch(27.1% 0.076 147.3)
#28B14C 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) | #B3A142 | 0.142 |
| Deuteranopia (no green cones) | #A49654 | 0.142 |
| Tritanopia (no blue cones) | #00AD9B | 0.107 |
| Achromatopsia (no color) | #9A9A9A | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28B14C
#28B14C
oklch(66.8% 0.182 147.4)
- #CD66CD
#CD66CD
oklch(66.8% 0.181 327.4)
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 #28B14C, closest first.
No curated palette has a color within ΔE 0.04 of #28B14C.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Shamrock #01B44C ΔE 0.011
- Medium Green #39AD48 ΔE 0.012
- Cool Green #33B864 ΔE 0.031
- Kelly Green #02AB2E ΔE 0.033
- Mid Green #50A747 ΔE 0.033
- Dark Pastel Green #56AE57 ΔE 0.034
- Grass #5CAC2D ΔE 0.034
- Leafy Green #51B73B ΔE 0.034
Use #28B14C 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.