#1B9E23#1B9E23

#1B9E23 is a mid, vivid green. Relative luminance 0.248; OKLCH L 61.0% C 0.191 H 143.3°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX#1B9E23
RGBrgb(27, 158, 35)
HSLhsl(124, 71%, 36%)
HSVhsv(124, 83%, 62%)
CMYKcmyk(82.9%, 0%, 77.8%, 38%)
CIE-LABlab(56.89, -56.67, 50.88)
CIE-LCHlch(56.89, 76.16, 138.09°)
OKLaboklab(60.98% -0.1535 0.1142)
OKLCHoklch(60.98% 0.191 143.3)
XYZxyz(12.9814, 24.8065, 5.6937)
Luminance0.2481 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B9E23 #9E1B96
analogous
#559E1B #1B9E23 #1B9E65
triadic
#1B9E23 #231B9E #9E231B
tetradic
#1B9E23 #1B559E #9E1B96 #9E651B
square
#1B9E23 #1B559E #9E1B96 #9E651B
split-complementary
#1B9E23 #651B9E #9E1B55
monochromatic
#09350C #126A17 #1B9E23 #24D22F #52E15B

Accessibility & contrast

On white

3.52
#1B9E23 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.96
#1B9E23 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9E23
5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B9E23#FFFFFF#000000##000000
##1B9E231.003.525.965.96
#FFFFFF3.521.0021.0021.00
#0000005.9621.001.001.00
##0000005.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#A18E04
Deuteranopia (green-blind)
#948531
Tritanopia (blue-blind)
#009987
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #1b9e23;
/* rgb */ color: rgb(27, 158, 35);
/* oklch */ color: oklch(61.0% 0.191 143.3);
Tailwind
colors: {
  custom: {
    50: '#72bc67',
    500: '#1b9e23',
    950: '#000000',
  },
}
SCSS
$custom: #1b9e23;
$custom-light: #72bc67;
$custom-dark: #000000;
JSON
{
  "hex": "#1b9e23",
  "rgb": {
    "r": 27,
    "g": 158,
    "b": 35
  },
  "hsl": {
    "h": 123.664,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.60982,
    "c": 0.19133,
    "h": 143.3
  },
  "luminance": 0.24808
}

Semantic roles & 50–950 ramp

primary
#1B9E23
secondary
#C451BD
accent
#3AE3EE
background
#F7FBF6
surface
#EEF6EB
border
#C9D0C6
text
#091206
muted
#7B817A

Preview Lab

Preview with #1B9E23

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

Preview Lab → · Contrast checker → · Palette generator →

#1B9E23 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva