#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
RGBrgb(40, 176, 59)
HSLhsl(128, 63%, 42%)
HSVhsv(128, 77%, 69%)
CMYKcmyk(77.3%, 0%, 66.5%, 31%)
CIE-LABlab(63.19, -58.59, 48.23)
CIE-LCHlch(63.19, 75.88, 140.54°)
OKLaboklab(66.34% -0.1582 0.1116)
OKLCHoklch(66.34% 0.194 144.8)
XYZxyz(17.1886, 31.8155, 9.3719)
Luminance0.3182 (WCAG relative)
Temperatureneutral
Familygreen

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
##28B03B1.002.857.367.36
#FFFFFF2.851.0021.0021.00
#0000007.3621.001.001.00
##0000007.3621.001.001.00

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 →

#28B03B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva