#28B03B#28B03B

#28B03B is a light, vivid green. Relative luminance 0.318; OKLCH L 66.3% C 0.194 H 144.8°. Best body text is #000000 at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#28B03B
RGB	rgb(40, 176, 59)
HSL	hsl(128, 63%, 42%)
HSV	hsv(128, 77%, 69%)
CMYK	cmyk(77.3%, 0%, 66.5%, 31%)
CIE-LAB	lab(63.19, -58.59, 48.23)
CIE-LCH	lch(63.19, 75.88, 140.54°)
OKLab	oklab(66.34% -0.1582 0.1116)
OKLCH	oklch(66.34% 0.194 144.8)
XYZ	xyz(17.1886, 31.8155, 9.3719)
Luminance	0.3182 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28B03B #B0289D

analogous

#59B028 #28B03B #28B07F

triadic

#28B03B #3B28B0 #B03B28

tetradic

#28B03B #2859B0 #B0289D #B07F28

square

#28B03B #2859B0 #B0289D #B07F28

split-complementary

#28B03B #7F28B0 #B02859

monochromatic

#114C1A #1D7E2A #28B03B #41D456 #73DF82

Accessibility & contrast

On white

2.85

#28B03B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.36

#28B03B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #28B03B

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28B03B	#FFFFFF	#000000	##000000
##28B03B	1.00	2.85	7.36	7.36
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.36	21.00	1.00	1.00
##000000	7.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B39F2C

Deuteranopia (green-blind)

#A49546

Tritanopia (blue-blind)

#00AB98

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #28b03b;
/* rgb */ color: rgb(40, 176, 59);
/* oklch */ color: oklch(66.3% 0.194 144.8);

Tailwind

colors: {
  custom: {
    50: '#79c976',
    500: '#28b03b',
    950: '#000000',
  },
}

SCSS

$custom: #28b03b;
$custom-light: #79c976;
$custom-dark: #000000;

JSON

{
  "hex": "#28b03b",
  "rgb": {
    "r": 40,
    "g": 176,
    "b": 59
  },
  "hsl": {
    "h": 128.382,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.66336,
    "c": 0.19359,
    "h": 144.8
  },
  "luminance": 0.31818
}

Semantic roles & 50–950 ramp

primary

#28B03B

secondary

#C66DBA

accent

#42CFE6

background

#F8FCF7

surface

#EFF8ED

border

#CAD1C8

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #28B03B

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

Preview Lab → · Contrast checker → · Palette generator →