#1B9523#1B9523

#1B9523 is a mid, vivid green. Relative luminance 0.218; OKLCH L 58.5% C 0.181 H 143.5°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX#1B9523
RGBrgb(27, 149, 35)
HSLhsl(124, 69%, 35%)
HSVhsv(124, 82%, 58%)
CMYKcmyk(81.9%, 0%, 76.5%, 41.6%)
CIE-LABlab(53.87, -53.83, 47.89)
CIE-LCHlch(53.87, 72.05, 138.34°)
OKLaboklab(58.47% -0.1457 0.108)
OKLCHoklch(58.47% 0.181 143.5)
XYZxyz(11.5021, 21.8479, 5.2006)
Luminance0.2185 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B9523 #951B8D
analogous
#50951B #1B9523 #1B9560
triadic
#1B9523 #231B95 #95231B
tetradic
#1B9523 #1B5095 #951B8D #95601B
square
#1B9523 #1B5095 #951B8D #95601B
split-complementary
#1B9523 #601B95 #951B50
monochromatic
#082D0B #126117 #1B9523 #24C92F #4CDF55

Accessibility & contrast

On white

3.91
#1B9523 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.37
#1B9523 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9523
5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B9523#FFFFFF#000000##000000
##1B95231.003.915.375.37
#FFFFFF3.911.0021.0021.00
#0000005.3721.001.001.00
##0000005.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#98860A
Deuteranopia (green-blind)
#8B7D30
Tritanopia (blue-blind)
#00917F
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #1b9523;
/* rgb */ color: rgb(27, 149, 35);
/* oklch */ color: oklch(58.5% 0.181 143.5);
Tailwind
colors: {
  custom: {
    50: '#70b566',
    500: '#1b9523',
    950: '#000000',
  },
}
SCSS
$custom: #1b9523;
$custom-light: #70b566;
$custom-dark: #000000;
JSON
{
  "hex": "#1b9523",
  "rgb": {
    "r": 27,
    "g": 149,
    "b": 35
  },
  "hsl": {
    "h": 123.934,
    "s": 69.318,
    "l": 34.51
  },
  "oklch": {
    "l": 0.58468,
    "c": 0.1814,
    "h": 143.5
  },
  "luminance": 0.21849
}

Semantic roles & 50–950 ramp

primary
#1B9523
secondary
#C14BB9
accent
#3CE1EC
background
#F7FBF6
surface
#EDF6EB
border
#C8D0C6
text
#091106
muted
#7B807A

Preview Lab

Preview with #1B9523

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

Preview Lab → · Contrast checker → · Palette generator →

#1B9523 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva