#1B9E33#1B9E33

#1B9E33 is a mid, vivid green. Relative luminance 0.249; OKLCH L 61.1% C 0.181 H 145.2°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).

Color values

HEX#1B9E33
RGBrgb(27, 158, 51)
HSLhsl(131, 71%, 36%)
HSVhsv(131, 83%, 62%)
CMYKcmyk(82.9%, 0%, 67.7%, 38%)
CIE-LABlab(57.00, -55.24, 44.83)
CIE-LCHlch(57.00, 71.14, 140.94°)
OKLaboklab(61.11% -0.1489 0.1036)
OKLCHoklch(61.11% 0.181 145.2)
XYZxyz(13.2754, 24.9241, 7.2425)
Luminance0.2493 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B9E33 #9E1B86
analogous
#459E1B #1B9E33 #1B9E75
triadic
#1B9E33 #331B9E #9E331B
tetradic
#1B9E33 #1B459E #9E1B86 #9E751B
square
#1B9E33 #1B459E #9E1B86 #9E751B
split-complementary
#1B9E33 #751B9E #9E1B45
monochromatic
#093511 #126A22 #1B9E33 #24D244 #52E16C

Accessibility & contrast

On white

3.51
#1B9E33 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.99
#1B9E33 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9E33
5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B9E33#FFFFFF#000000##000000
##1B9E331.003.515.995.99
#FFFFFF3.511.0021.0021.00
#0000005.9921.001.001.00
##0000005.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#A18F25
Deuteranopia (green-blind)
#93853D
Tritanopia (blue-blind)
#009A88
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #1b9e33;
/* rgb */ color: rgb(27, 158, 51);
/* oklch */ color: oklch(61.1% 0.181 145.2);
Tailwind
colors: {
  custom: {
    50: '#71bc70',
    500: '#1b9e33',
    950: '#000000',
  },
}
SCSS
$custom: #1b9e33;
$custom-light: #71bc70;
$custom-dark: #000000;
JSON
{
  "hex": "#1b9e33",
  "rgb": {
    "r": 27,
    "g": 158,
    "b": 51
  },
  "hsl": {
    "h": 130.992,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.61115,
    "c": 0.18139,
    "h": 145.2
  },
  "luminance": 0.24926
}

Semantic roles & 50–950 ramp

primary
#1B9E33
secondary
#C451AF
accent
#3ACDEE
background
#F7FBF6
surface
#EEF6EC
border
#C9D0C7
text
#091208
muted
#7B817B

Preview Lab

Preview with #1B9E33

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

Preview Lab → · Contrast checker → · Palette generator →

#1B9E33 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva