#1B9F4F#1B9F4F

#1B9F4F is a mid, vivid green. Relative luminance 0.256; OKLCH L 61.8% C 0.159 H 150.6°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX#1B9F4F
RGBrgb(27, 159, 79)
HSLhsl(144, 71%, 36%)
HSVhsv(144, 83%, 62%)
CMYKcmyk(83%, 0%, 50.3%, 37.6%)
CIE-LABlab(57.65, -51.76, 32.21)
CIE-LCHlch(57.65, 60.97, 148.11°)
OKLaboklab(61.75% -0.1389 0.0783)
OKLCHoklch(61.75% 0.159 150.6)
XYZxyz(14.2602, 25.5920, 11.5838)
Luminance0.2559 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B9F4F #9F1B6B
analogous
#299F1B #1B9F4F #1B9F91
triadic
#1B9F4F #4F1B9F #9F4F1B
tetradic
#1B9F4F #1B299F #9F1B6B #9F911B
square
#1B9F4F #1B299F #9F1B6B #9F911B
split-complementary
#1B9F4F #911B9F #9F1B29
monochromatic
#09361B #126B35 #1B9F4F #24D369 #53E28B

Accessibility & contrast

On white

3.43
#1B9F4F on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.12
#1B9F4F on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9F4F
6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B9F4F#FFFFFF#000000##000000
##1B9F4F1.003.436.126.12
#FFFFFF3.431.0021.0021.00
#0000006.1221.001.001.00
##0000006.1221.001.001.00

Color blindness preview

Protanopia (red-blind)
#A09148
Deuteranopia (green-blind)
#918655
Tritanopia (blue-blind)
#009C8C
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #1b9f4f;
/* rgb */ color: rgb(27, 159, 79);
/* oklch */ color: oklch(61.8% 0.159 150.6);
Tailwind
colors: {
  custom: {
    50: '#70bc82',
    500: '#1b9f4f',
    950: '#000000',
  },
}
SCSS
$custom: #1b9f4f;
$custom-light: #70bc82;
$custom-dark: #000000;
JSON
{
  "hex": "#1b9f4f",
  "rgb": {
    "r": 27,
    "g": 159,
    "b": 79
  },
  "hsl": {
    "h": 143.636,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.61753,
    "c": 0.15944,
    "h": 150.6
  },
  "luminance": 0.25594
}

Semantic roles & 50–950 ramp

primary
#1B9F4F
secondary
#C55197
accent
#3AA7EE
background
#F7FBF8
surface
#EDF7EF
border
#C8D0CA
text
#09120A
muted
#7B817C

Preview Lab

Preview with #1B9F4F

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

Preview Lab → · Contrast checker → · Palette generator →

#1B9F4F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva