#1CB33B#1CB33B

#1CB33B is a light, vivid green. Relative luminance 0.328; OKLCH L 67.0% C 0.200 H 145.4°. Best body text is #000000 at 7.56:1 contrast (WCAG AA passes).

Color values

HEX#1CB33B
RGBrgb(28, 179, 59)
HSLhsl(132, 73%, 41%)
HSVhsv(132, 84%, 70%)
CMYKcmyk(84.4%, 0%, 67%, 29.8%)
CIE-LABlab(64.00, -60.99, 49.06)
CIE-LCHlch(64.00, 78.27, 141.18°)
OKLaboklab(66.96% -0.1643 0.1134)
OKLCHoklch(66.96% 0.2 145.4)
XYZxyz(17.3871, 32.8007, 9.5516)
Luminance0.3280 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1CB33B #B31C94
analogous
#48B31C #1CB33B #1CB386
triadic
#1CB33B #3B1CB3 #B33B1C
tetradic
#1CB33B #1C48B3 #B31C94 #B3861C
square
#1CB33B #1C48B3 #B31C94 #B3861C
split-complementary
#1CB33B #861CB3 #B31C48
monochromatic
#0B4918 #147E2A #1CB33B #2EDE52 #63E77E

Accessibility & contrast

On white

2.78
#1CB33B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.56
#1CB33B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1CB33B
7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1CB33B#FFFFFF#000000##000000
##1CB33B1.002.787.567.56
#FFFFFF2.781.0021.0021.00
#0000007.5621.001.001.00
##0000007.5621.001.001.00

Color blindness preview

Protanopia (red-blind)
#B6A22B
Deuteranopia (green-blind)
#A69746
Tritanopia (blue-blind)
#00AE9A
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #1cb33b;
/* rgb */ color: rgb(28, 179, 59);
/* oklch */ color: oklch(67.0% 0.200 145.4);
Tailwind
colors: {
  custom: {
    50: '#77cb76',
    500: '#1cb33b',
    950: '#000000',
  },
}
SCSS
$custom: #1cb33b;
$custom-light: #77cb76;
$custom-dark: #000000;
JSON
{
  "hex": "#1cb33b",
  "rgb": {
    "r": 28,
    "g": 179,
    "b": 59
  },
  "hsl": {
    "h": 132.318,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.66959,
    "c": 0.19962,
    "h": 145.4
  },
  "luminance": 0.32803
}

Semantic roles & 50–950 ramp

primary
#1CB33B
secondary
#CB5FB5
accent
#38CAF0
background
#F8FCF7
surface
#EFF9ED
border
#CAD2C8
text
#0A1309
muted
#7C827B

Preview Lab

Preview with #1CB33B

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

Preview Lab → · Contrast checker → · Palette generator →

#1CB33B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva