#28C571#28C571

#28C571 is a light, vivid green. Relative luminance 0.416; OKLCH L 72.7% C 0.174 H 153.6°. Best body text is #000000 at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#28C571
RGB	rgb(40, 197, 113)
HSL	hsl(148, 66%, 46%)
HSV	hsv(148, 80%, 77%)
CMYK	cmyk(79.7%, 0%, 42.6%, 22.7%)
CIE-LAB	lab(70.58, -57.93, 31.22)
CIE-LCH	lch(70.58, 65.81, 151.68°)
OKLab	oklab(72.67% -0.1558 0.0773)
OKLCH	oklch(72.67% 0.174 153.6)
XYZ	xyz(23.8197, 41.5729, 22.3886)
Luminance	0.4158 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28C571 #C5287C

analogous

#2EC528 #28C571 #28C5C0

triadic

#28C571 #7128C5 #C57128

tetradic

#28C571 #282EC5 #C5287C #C5C028

square

#28C571 #282EC5 #C5287C #C5C028

split-complementary

#28C571 #C028C5 #C5282E

monochromatic

#135F37 #1E9254 #28C571 #4FDB90 #82E6B0

Accessibility & contrast

On white

2.25

#28C571 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.32

#28C571 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28C571

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28C571	#FFFFFF	#000000	##000000
##28C571	1.00	2.25	9.32	9.32
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.32	21.00	1.00	1.00
##000000	9.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5B46B

Deuteranopia (green-blind)

#B3A877

Tritanopia (blue-blind)

#00C2B0

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #28c571;
/* rgb */ color: rgb(40, 197, 113);
/* oklch */ color: oklch(72.7% 0.174 153.6);

Tailwind

colors: {
  custom: {
    50: '#7cd89b',
    500: '#28c571',
    950: '#000000',
  },
}

SCSS

$custom: #28c571;
$custom-light: #7cd89b;
$custom-dark: #000000;

JSON

{
  "hex": "#28c571",
  "rgb": {
    "r": 40,
    "g": 197,
    "b": 113
  },
  "hsl": {
    "h": 147.898,
    "s": 66.245,
    "l": 46.471
  },
  "oklch": {
    "l": 0.7267,
    "c": 0.1739,
    "h": 153.6
  },
  "luminance": 0.41576
}

Semantic roles & 50–950 ramp

primary

#28C571

secondary

#CE7AA7

accent

#3F9AE9

background

#F8FDF9

surface

#EFFAF2

border

#CAD3CC

text

#0B150E

muted

#7C837E

Preview Lab

Preview with #28C571

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →