#28B057#28B057

#28B057 is a light, vivid green. Relative luminance 0.322; OKLCH L 66.7% C 0.171 H 149.7°. Best body text is #000000 at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#28B057
RGB	rgb(40, 176, 87)
HSL	hsl(141, 63%, 42%)
HSV	hsv(141, 77%, 69%)
CMYK	cmyk(77.3%, 0%, 50.6%, 31%)
CIE-LAB	lab(63.50, -54.90, 35.47)
CIE-LCH	lch(63.50, 65.36, 147.13°)
OKLab	oklab(66.69% -0.1475 0.086)
OKLCH	oklch(66.69% 0.171 149.7)
XYZ	xyz(18.1192, 32.1877, 14.2729)
Luminance	0.3219 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28B057 #B02881

analogous

#3DB028 #28B057 #28B09B

triadic

#28B057 #5728B0 #B05728

tetradic

#28B057 #283DB0 #B02881 #B09B28

square

#28B057 #283DB0 #B02881 #B09B28

split-complementary

#28B057 #9B28B0 #B0283D

monochromatic

#114C26 #1D7E3E #28B057 #41D474 #73DF99

Accessibility & contrast

On white

2.82

#28B057 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.44

#28B057 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28B057

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28B057	#FFFFFF	#000000	##000000
##28B057	1.00	2.82	7.44	7.44
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.44	21.00	1.00	1.00
##000000	7.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1A050

Deuteranopia (green-blind)

#A2955E

Tritanopia (blue-blind)

#00AD9B

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #28b057;
/* rgb */ color: rgb(40, 176, 87);
/* oklch */ color: oklch(66.7% 0.171 149.7);

Tailwind

colors: {
  custom: {
    50: '#78c988',
    500: '#28b057',
    950: '#000000',
  },
}

SCSS

$custom: #28b057;
$custom-light: #78c988;
$custom-dark: #000000;

JSON

{
  "hex": "#28b057",
  "rgb": {
    "r": 40,
    "g": 176,
    "b": 87
  },
  "hsl": {
    "h": 140.735,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.6669,
    "c": 0.17075,
    "h": 149.7
  },
  "luminance": 0.3219
}

Semantic roles & 50–950 ramp

primary

#28B057

secondary

#C66DA8

accent

#42ADE6

background

#F8FCF8

surface

#EFF8F0

border

#CAD1CB

text

#0A130B

muted

#7C827C

Preview Lab

Preview with #28B057

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

Preview Lab → · Contrast checker → · Palette generator →