#1B8F53#1B8F53

#1B8F53 is a mid, vivid green. Relative luminance 0.205; OKLCH L 57.4% C 0.135 H 154.5°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX#1B8F53
RGBrgb(27, 143, 83)
HSLhsl(149, 68%, 33%)
HSVhsv(149, 81%, 56%)
CMYKcmyk(81.1%, 0%, 42%, 43.9%)
CIE-LABlab(52.40, -45.15, 23.35)
CIE-LCHlch(52.40, 50.83, 152.65°)
OKLaboklab(57.43% -0.1215 0.058)
OKLCHoklch(57.43% 0.135 154.5)
XYZxyz(11.8347, 20.5010, 11.5153)
Luminance0.2050 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B8F53 #8F1B57
analogous
#1D8F1B #1B8F53 #1B8F8D
triadic
#1B8F53 #531B8F #8F531B
tetradic
#1B8F53 #1B1D8F #8F1B57 #8F8D1B
square
#1B8F53 #1B1D8F #8F1B57 #8F8D1B
split-complementary
#1B8F53 #8D1B8F #8F1B1D
monochromatic
#082817 #115C35 #1B8F53 #25C271 #48DC90

Accessibility & contrast

On white

4.12
#1B8F53 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.10
#1B8F53 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8F53
5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B8F53#FFFFFF#000000##000000
##1B8F531.004.125.105.10
#FFFFFF4.121.0021.0021.00
#0000005.1021.001.001.00
##0000005.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8F834F
Deuteranopia (green-blind)
#817957
Tritanopia (blue-blind)
#008D80
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #1b8f53;
/* rgb */ color: rgb(27, 143, 83);
/* oklch */ color: oklch(57.4% 0.135 154.5);
Tailwind
colors: {
  custom: {
    50: '#6cb184',
    500: '#1b8f53',
    950: '#000000',
  },
}
SCSS
$custom: #1b8f53;
$custom-light: #6cb184;
$custom-dark: #000000;
JSON
{
  "hex": "#1b8f53",
  "rgb": {
    "r": 27,
    "g": 143,
    "b": 83
  },
  "hsl": {
    "h": 148.966,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.5743,
    "c": 0.13467,
    "h": 154.5
  },
  "luminance": 0.20502
}

Semantic roles & 50–950 ramp

primary
#1B8F53
secondary
#BE4885
accent
#3D97EB
background
#F7FBF8
surface
#EDF6EF
border
#C8D0CA
text
#08110B
muted
#7B807C

Preview Lab

Preview with #1B8F53

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

Preview Lab → · Contrast checker → · Palette generator →

#1B8F53 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva