#1B9757#1B9757

#1B9757 is a mid, vivid green. Relative luminance 0.231; OKLCH L 59.7% C 0.142 H 154.3°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX#1B9757
RGBrgb(27, 151, 87)
HSLhsl(149, 70%, 35%)
HSVhsv(149, 82%, 59%)
CMYKcmyk(82.1%, 0%, 42.4%, 40.8%)
CIE-LABlab(55.13, -47.40, 24.74)
CIE-LCHlch(55.13, 53.47, 152.44°)
OKLaboklab(59.71% -0.1275 0.0614)
OKLCHoklch(59.71% 0.142 154.3)
XYZxyz(13.2376, 23.0527, 12.7669)
Luminance0.2305 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B9757 #971B5B
analogous
#1D971B #1B9757 #1B9795
triadic
#1B9757 #571B97 #97571B
tetradic
#1B9757 #1B1D97 #971B5B #97951B
square
#1B9757 #1B1D97 #971B5B #97951B
split-complementary
#1B9757 #951B97 #971B1D
monochromatic
#082F1B #126339 #1B9757 #24CB75 #4DDF94

Accessibility & contrast

On white

3.74
#1B9757 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.61
#1B9757 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9757
5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B9757#FFFFFF#000000##000000
##1B97571.003.745.615.61
#FFFFFF3.741.0021.0021.00
#0000005.6121.001.001.00
##0000005.6121.001.001.00

Color blindness preview

Protanopia (red-blind)
#978A52
Deuteranopia (green-blind)
#89805B
Tritanopia (blue-blind)
#009587
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #1b9757;
/* rgb */ color: rgb(27, 151, 87);
/* oklch */ color: oklch(59.7% 0.142 154.3);
Tailwind
colors: {
  custom: {
    50: '#6eb787',
    500: '#1b9757',
    950: '#000000',
  },
}
SCSS
$custom: #1b9757;
$custom-light: #6eb787;
$custom-dark: #000000;
JSON
{
  "hex": "#1b9757",
  "rgb": {
    "r": 27,
    "g": 151,
    "b": 87
  },
  "hsl": {
    "h": 149.032,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.59706,
    "c": 0.14154,
    "h": 154.3
  },
  "luminance": 0.23054
}

Semantic roles & 50–950 ramp

primary
#1B9757
secondary
#C14C89
accent
#3B97EC
background
#F7FBF8
surface
#EDF6EF
border
#C8D0CA
text
#08110B
muted
#7B807C

Preview Lab

Preview with #1B9757

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

Preview Lab → · Contrast checker → · Palette generator →

#1B9757 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva