#28C379
Closest named color: Dark Mint Green (#20C073). oklch(72.3% 0.164 156.3), rgb(40, 195, 121).
Aa
Black text reads best on this color (9.17:1).
About this color
#28C379 is a medium-light, vivid green. In OKLCH its lightness is 72%, its chroma 0.164 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Mint Green (#20C073), ΔE 0.011 away. Black text reads best on it, at 9.17:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.164) |
| Temperature | in between |
| Nearest name | Dark Mint Green (#20C073) |
| Black text | 9.17:1 |
| White text | 2.28:1 |
Values
| HEX | #28C379 |
| RGB | rgb(40, 195, 121) |
| HSL | hsl(151, 66%, 46%) |
| OKLCH | oklch(72.3% 0.164 156.3) |
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 #28C379 | 2.28:1 | Fails | Lc -49.5 | Large or bold text, headings |
| Black text on #28C379 | 9.17:1 | AAA | Lc 59.3 | Large or bold text, headings |
| #28C379 text on white | 2.28:1 | Fails | Lc 44.6 | Non-text elements, placeholder text |
| #28C379 text on black | 9.17:1 | AAA | Lc -57.5 | 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
#EFF8F2
oklch(97.1% 0.012 157)
-
Step 100
100
#DBF0E2
oklch(93.6% 0.029 156.6)
-
Step 200
200
#BCE5CA
oklch(88.5% 0.056 156.2)
-
Step 300
300
#87D5A5
oklch(80.9% 0.103 156.2)
-
Step 400
400 (this color)
#28C379
oklch(72.3% 0.164 156.3)
-
Step 500
500
#00A461
oklch(63.2% 0.153 156.1)
-
Step 600
600
#008A51
oklch(55.7% 0.135 156.2)
-
Step 700
700
#007443
oklch(49.1% 0.119 156.1)
-
Step 800
800
#005F36
oklch(42.7% 0.103 156.1)
-
Step 900
900
#004F2C
oklch(37.6% 0.091 156.1)
-
Step 950
950
#002F18
oklch(26.8% 0.065 156.1)
#28C379 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) | #C2B374 | 0.148 |
| Deuteranopia (no green cones) | #B0A67E | 0.145 |
| Tritanopia (no blue cones) | #00C1B0 | 0.078 |
| Achromatopsia (no color) | #ABABAB | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28C379
#28C379
oklch(72.3% 0.164 156.3)
- #E479CC
#E479CC
oklch(72.3% 0.165 336.2)
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 #28C379, closest first.
No curated palette has a color within ΔE 0.04 of #28C379.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mint Green #20C073 ΔE 0.011
- Algae Green #21C36F ΔE 0.013
- Dark Mint #48C072 ΔE 0.015
- Greenblue #23C48B ΔE 0.023
- Green Blue #01C08D ΔE 0.030
- Cool Green #33B864 ΔE 0.034
- Seaweed #18D17B ΔE 0.040
- Dark Seafoam #1FB57A ΔE 0.043
Use #28C379 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.