#1B9F23#1B9F23

#1B9F23 is a mid, vivid green. Relative luminance 0.252; OKLCH L 61.3% C 0.192 H 143.3°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX#1B9F23
RGBrgb(27, 159, 35)
HSLhsl(124, 71%, 36%)
HSVhsv(124, 83%, 62%)
CMYKcmyk(83%, 0%, 78%, 37.6%)
CIE-LABlab(57.22, -56.99, 51.20)
CIE-LCHlch(57.22, 76.61, 138.06°)
OKLaboklab(61.26% -0.1543 0.1149)
OKLCHoklch(61.26% 0.192 143.3)
XYZxyz(13.1526, 25.1490, 5.7508)
Luminance0.2515 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B9F23 #9F1B97
analogous
#559F1B #1B9F23 #1B9F65
triadic
#1B9F23 #231B9F #9F231B
tetradic
#1B9F23 #1B559F #9F1B97 #9F651B
square
#1B9F23 #1B559F #9F1B97 #9F651B
split-complementary
#1B9F23 #651B9F #9F1B55
monochromatic
#09360C #126B17 #1B9F23 #24D32F #53E25B

Accessibility & contrast

On white

3.48
#1B9F23 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.03
#1B9F23 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9F23
6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B9F23#FFFFFF#000000##000000
##1B9F231.003.486.036.03
#FFFFFF3.481.0021.0021.00
#0000006.0321.001.001.00
##0000006.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#A28F03
Deuteranopia (green-blind)
#958631
Tritanopia (blue-blind)
#009A88
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #1b9f23;
/* rgb */ color: rgb(27, 159, 35);
/* oklch */ color: oklch(61.3% 0.192 143.3);
Tailwind
colors: {
  custom: {
    50: '#72bd68',
    500: '#1b9f23',
    950: '#000000',
  },
}
SCSS
$custom: #1b9f23;
$custom-light: #72bd68;
$custom-dark: #000000;
JSON
{
  "hex": "#1b9f23",
  "rgb": {
    "r": 27,
    "g": 159,
    "b": 35
  },
  "hsl": {
    "h": 123.636,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.6126,
    "c": 0.19241,
    "h": 143.3
  },
  "luminance": 0.25151
}

Semantic roles & 50–950 ramp

primary
#1B9F23
secondary
#C551BE
accent
#3AE3EE
background
#F7FBF6
surface
#EEF7EB
border
#C9D0C6
text
#0A1207
muted
#7C817A

Preview Lab

Preview with #1B9F23

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

Preview Lab → · Contrast checker → · Palette generator →

#1B9F23 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva