#1CB31E#1CB31E

#1CB31E is a light, highly saturated green. Relative luminance 0.326; OKLCH L 66.8% C 0.216 H 142.8°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX#1CB31E
RGBrgb(28, 179, 30)
HSLhsl(121, 73%, 41%)
HSVhsv(121, 84%, 70%)
CMYKcmyk(84.4%, 0%, 83.2%, 29.8%)
CIE-LABlab(63.82, -63.26, 58.94)
CIE-LCHlch(63.82, 86.46, 137.03°)
OKLaboklab(66.75% -0.1716 0.1304)
OKLCHoklch(66.75% 0.216 142.8)
XYZxyz(16.8322, 32.5787, 6.6292)
Luminance0.3258 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1CB31E #B31CB1
analogous
#65B31C #1CB31E #1CB36A
triadic
#1CB31E #1E1CB3 #B31E1C
tetradic
#1CB31E #1C65B3 #B31CB1 #B36A1C
square
#1CB31E #1C65B3 #B31CB1 #B36A1C
split-complementary
#1CB31E #6A1CB3 #B31C65
monochromatic
#0B490C #147E15 #1CB31E #2EDE30 #63E765

Accessibility & contrast

On white

2.79
#1CB31E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.52
#1CB31E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1CB31E
7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1CB31E#FFFFFF#000000##000000
##1CB31E1.002.797.527.52
#FFFFFF2.791.0021.0021.00
#0000007.5221.001.001.00
##0000007.5221.001.001.00

Color blindness preview

Protanopia (red-blind)
#B7A100
Deuteranopia (green-blind)
#A89632
Tritanopia (blue-blind)
#00AE98
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #1cb31e;
/* rgb */ color: rgb(28, 179, 30);
/* oklch */ color: oklch(66.8% 0.216 142.8);
Tailwind
colors: {
  custom: {
    50: '#78cb68',
    500: '#1cb31e',
    950: '#000000',
  },
}
SCSS
$custom: #1cb31e;
$custom-light: #78cb68;
$custom-dark: #000000;
JSON
{
  "hex": "#1cb31e",
  "rgb": {
    "r": 28,
    "g": 179,
    "b": 30
  },
  "hsl": {
    "h": 120.795,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.66751,
    "c": 0.21552,
    "h": 142.8
  },
  "luminance": 0.32581
}

Semantic roles & 50–950 ramp

primary
#1CB31E
secondary
#CB5FCA
accent
#38EDF0
background
#F8FCF6
surface
#EFF9EB
border
#CAD2C6
text
#0B1307
muted
#7C827A

Preview Lab

Preview with #1CB31E

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

Preview Lab → · Contrast checker → · Palette generator →

#1CB31E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva