#1CB421#1CB421

#1CB421 is a light, highly saturated green. Relative luminance 0.330; OKLCH L 67.0% C 0.215 H 143.0°. Best body text is #000000 at 7.60:1 contrast (WCAG AA passes).

Color values

HEX#1CB421
RGBrgb(28, 180, 33)
HSLhsl(122, 73%, 41%)
HSVhsv(122, 84%, 71%)
CMYKcmyk(84.4%, 0%, 81.7%, 29.4%)
CIE-LABlab(64.16, -63.39, 58.44)
CIE-LCHlch(64.16, 86.22, 137.33°)
OKLaboklab(67.04% -0.1719 0.1297)
OKLCHoklch(67.04% 0.215 143)
XYZxyz(17.0735, 32.9971, 6.9078)
Luminance0.3300 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1CB421 #B41CAF
analogous
#63B41C #1CB421 #1CB46D
triadic
#1CB421 #211CB4 #B4211C
tetradic
#1CB421 #1C63B4 #B41CAF #B46D1C
square
#1CB421 #1C63B4 #B41CAF #B46D1C
split-complementary
#1CB421 #6D1CB4 #B41C63
monochromatic
#0C4A0E #147F17 #1CB421 #2FDF34 #64E768

Accessibility & contrast

On white

2.76
#1CB421 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.60
#1CB421 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1CB421
7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1CB421#FFFFFF#000000##000000
##1CB4211.002.767.607.60
#FFFFFF2.761.0021.0021.00
#0000007.6021.001.001.00
##0000007.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#B8A200
Deuteranopia (green-blind)
#A89734
Tritanopia (blue-blind)
#00AF99
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #1cb421;
/* rgb */ color: rgb(28, 180, 33);
/* oklch */ color: oklch(67.0% 0.215 143.0);
Tailwind
colors: {
  custom: {
    50: '#78cc6a',
    500: '#1cb421',
    950: '#000000',
  },
}
SCSS
$custom: #1cb421;
$custom-light: #78cc6a;
$custom-dark: #000000;
JSON
{
  "hex": "#1cb421",
  "rgb": {
    "r": 28,
    "g": 180,
    "b": 33
  },
  "hsl": {
    "h": 121.974,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.67039,
    "c": 0.21532,
    "h": 143
  },
  "luminance": 0.32999
}

Semantic roles & 50–950 ramp

primary
#1CB421
secondary
#CC60C8
accent
#38EAF0
background
#F8FCF6
surface
#EFF9EC
border
#CAD2C7
text
#0B1307
muted
#7C827A

Preview Lab

Preview with #1CB421

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

Preview Lab → · Contrast checker → · Palette generator →

#1CB421 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva