#1B9D57#1B9D57

#1B9D57 is a mid, vivid green. Relative luminance 0.250; OKLCH L 61.3% C 0.149 H 153.2°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX#1B9D57
RGBrgb(27, 157, 87)
HSLhsl(148, 71%, 36%)
HSVhsv(148, 83%, 62%)
CMYKcmyk(82.8%, 0%, 44.6%, 38.4%)
CIE-LABlab(57.11, -49.64, 27.32)
CIE-LCHlch(57.11, 56.66, 151.17°)
OKLaboklab(61.35% -0.1334 0.0674)
OKLCHoklch(61.35% 0.149 153.2)
XYZxyz(14.2279, 25.0333, 13.0970)
Luminance0.2504 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B9D57 #9D1B61
analogous
#209D1B #1B9D57 #1B9D98
triadic
#1B9D57 #571B9D #9D571B
tetradic
#1B9D57 #1B209D #9D1B61 #9D981B
square
#1B9D57 #1B209D #9D1B61 #9D981B
split-complementary
#1B9D57 #981B9D #9D1B20
monochromatic
#09351D #12693A #1B9D57 #24D174 #51E194

Accessibility & contrast

On white

3.50
#1B9D57 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.01
#1B9D57 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9D57
6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B9D57#FFFFFF#000000##000000
##1B9D571.003.506.016.01
#FFFFFF3.501.0021.0021.00
#0000006.0121.001.001.00
##0000006.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#9D8F52
Deuteranopia (green-blind)
#8E855C
Tritanopia (blue-blind)
#009B8C
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #1b9d57;
/* rgb */ color: rgb(27, 157, 87);
/* oklch */ color: oklch(61.3% 0.149 153.2);
Tailwind
colors: {
  custom: {
    50: '#70bb87',
    500: '#1b9d57',
    950: '#000000',
  },
}
SCSS
$custom: #1b9d57;
$custom-light: #70bb87;
$custom-dark: #000000;
JSON
{
  "hex": "#1b9d57",
  "rgb": {
    "r": 27,
    "g": 157,
    "b": 87
  },
  "hsl": {
    "h": 147.692,
    "s": 70.652,
    "l": 36.078
  },
  "oklch": {
    "l": 0.61345,
    "c": 0.14943,
    "h": 153.2
  },
  "luminance": 0.25035
}

Semantic roles & 50–950 ramp

primary
#1B9D57
secondary
#C4508E
accent
#3A9BED
background
#F7FBF8
surface
#EDF6EF
border
#C8D0CA
text
#09120B
muted
#7B817C

Preview Lab

Preview with #1B9D57

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

Preview Lab → · Contrast checker → · Palette generator →

#1B9D57 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva