#18C91B#18C91B

#18C91B is a light, highly saturated green. Relative luminance 0.420; OKLCH L 72.6% C 0.239 H 142.7°. Best body text is #000000 at 9.41:1 contrast (WCAG AA passes).

Color values

HEX#18C91B
RGBrgb(24, 201, 27)
HSLhsl(121, 79%, 44%)
HSVhsv(121, 88%, 79%)
CMYKcmyk(88.1%, 0%, 86.6%, 21.2%)
CIE-LABlab(70.90, -70.11, 65.99)
CIE-LCHlch(70.90, 96.28, 136.74°)
OKLaboklab(72.64% -0.1902 0.1448)
OKLCHoklch(72.64% 0.239 142.7)
XYZxyz(21.4597, 42.0439, 8.0209)
Luminance0.4205 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#18C91B #C918C6
analogous
#6EC918 #18C91B #18C974
triadic
#18C91B #1B18C9 #C91B18
tetradic
#18C91B #186EC9 #C918C6 #C97418
square
#18C91B #186EC9 #C918C6 #C97418
split-complementary
#18C91B #7418C9 #C9186E
monochromatic
#0B5C0C #119214 #18C91B #37E73A #6EEE70

Accessibility & contrast

On white

2.23
#18C91B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.41
#18C91B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #18C91B
9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##18C91B#FFFFFF#000000##000000
##18C91B1.002.239.419.41
#FFFFFF2.231.0021.0021.00
#0000009.4121.001.001.00
##0000009.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#CEB500
Deuteranopia (green-blind)
#BCA935
Tritanopia (blue-blind)
#00C3AB
Achromatopsia (no color)
#ADADAD

Design tokens & code

CSS
--color: #18c91b;
/* rgb */ color: rgb(24, 201, 27);
/* oklch */ color: oklch(72.6% 0.239 142.7);
Tailwind
colors: {
  custom: {
    50: '#7ddb6b',
    500: '#18c91b',
    950: '#000000',
  },
}
SCSS
$custom: #18c91b;
$custom-light: #7ddb6b;
$custom-dark: #000000;
JSON
{
  "hex": "#18c91b",
  "rgb": {
    "r": 24,
    "g": 201,
    "b": 27
  },
  "hsl": {
    "h": 121.017,
    "s": 78.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.7264,
    "c": 0.23905,
    "h": 142.7
  },
  "luminance": 0.42047
}

Semantic roles & 50–950 ramp

primary
#18C91B
secondary
#D469D2
accent
#33F2F5
background
#F8FDF6
surface
#F0FBEC
border
#CBD4C7
text
#0C1508
muted
#7D837A

Preview Lab

Preview with #18C91B

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

Preview Lab → · Contrast checker → · Palette generator →

#18C91B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva