#1B9423#1B9423

#1B9423 is a mid, vivid green. Relative luminance 0.215; OKLCH L 58.2% C 0.180 H 143.5°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX#1B9423
RGBrgb(27, 148, 35)
HSLhsl(124, 69%, 34%)
HSVhsv(124, 82%, 58%)
CMYKcmyk(81.8%, 0%, 76.4%, 42%)
CIE-LABlab(53.53, -53.51, 47.56)
CIE-LCHlch(53.53, 71.59, 138.37°)
OKLaboklab(58.19% -0.1449 0.1073)
OKLCHoklch(58.19% 0.18 143.5)
XYZxyz(11.3445, 21.5328, 5.1481)
Luminance0.2153 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B9423 #941B8C
analogous
#50941B #1B9423 #1B9460
triadic
#1B9423 #231B94 #94231B
tetradic
#1B9423 #1B5094 #941B8C #94601B
square
#1B9423 #1B5094 #941B8C #94601B
split-complementary
#1B9423 #601B94 #941B50
monochromatic
#082C0B #126017 #1B9423 #24C82F #4BDE55

Accessibility & contrast

On white

3.96
#1B9423 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.31
#1B9423 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9423
5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B9423#FFFFFF#000000##000000
##1B94231.003.965.315.31
#FFFFFF3.961.0021.0021.00
#0000005.3121.001.001.00
##0000005.3121.001.001.00

Color blindness preview

Protanopia (red-blind)
#97850B
Deuteranopia (green-blind)
#8A7C2F
Tritanopia (blue-blind)
#00907E
Achromatopsia (no color)
#808080

Design tokens & code

CSS
--color: #1b9423;
/* rgb */ color: rgb(27, 148, 35);
/* oklch */ color: oklch(58.2% 0.180 143.5);
Tailwind
colors: {
  custom: {
    50: '#70b566',
    500: '#1b9423',
    950: '#000000',
  },
}
SCSS
$custom: #1b9423;
$custom-light: #70b566;
$custom-dark: #000000;
JSON
{
  "hex": "#1b9423",
  "rgb": {
    "r": 27,
    "g": 148,
    "b": 35
  },
  "hsl": {
    "h": 123.967,
    "s": 69.143,
    "l": 34.314
  },
  "oklch": {
    "l": 0.58187,
    "c": 0.18029,
    "h": 143.5
  },
  "luminance": 0.21534
}

Semantic roles & 50–950 ramp

primary
#1B9423
secondary
#C04BB8
accent
#3CE0EC
background
#F7FBF6
surface
#EDF6EB
border
#C8D0C6
text
#091106
muted
#7B807A

Preview Lab

Preview with #1B9423

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

Preview Lab → · Contrast checker → · Palette generator →

#1B9423 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva