#1BB44B#1BB44B

#1BB44B is a light, vivid green. Relative luminance 0.334; OKLCH L 67.4% C 0.189 H 147.8°. Best body text is #000000 at 7.68:1 contrast (WCAG AA passes).

Color values

HEX#1BB44B
RGBrgb(27, 180, 75)
HSLhsl(139, 74%, 41%)
HSVhsv(139, 85%, 71%)
CMYKcmyk(85%, 0%, 58.3%, 29.4%)
CIE-LABlab(64.47, -59.49, 42.46)
CIE-LCHlch(64.47, 73.09, 144.49°)
OKLaboklab(67.4% -0.1597 0.1008)
OKLCHoklch(67.4% 0.189 147.8)
XYZxyz(18.0418, 33.3813, 12.1476)
Luminance0.3338 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1BB44B #B41B84
analogous
#37B41B #1BB44B #1BB498
triadic
#1BB44B #4B1BB4 #B44B1B
tetradic
#1BB44B #1B37B4 #B41B84 #B4981B
square
#1BB44B #1B37B4 #B41B84 #B4981B
split-complementary
#1BB44B #981BB4 #B41B37
monochromatic
#0B4A1F #137F35 #1BB44B #2DDF65 #62E78C

Accessibility & contrast

On white

2.74
#1BB44B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.68
#1BB44B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1BB44B
7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1BB44B#FFFFFF#000000##000000
##1BB44B1.002.747.687.68
#FFFFFF2.741.0021.0021.00
#0000007.6821.001.001.00
##0000007.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#B6A340
Deuteranopia (green-blind)
#A69854
Tritanopia (blue-blind)
#00B09D
Achromatopsia (no color)
#9C9C9C

Design tokens & code

CSS
--color: #1bb44b;
/* rgb */ color: rgb(27, 180, 75);
/* oklch */ color: oklch(67.4% 0.189 147.8);
Tailwind
colors: {
  custom: {
    50: '#76cc80',
    500: '#1bb44b',
    950: '#000000',
  },
}
SCSS
$custom: #1bb44b;
$custom-light: #76cc80;
$custom-dark: #000000;
JSON
{
  "hex": "#1bb44b",
  "rgb": {
    "r": 27,
    "g": 180,
    "b": 75
  },
  "hsl": {
    "h": 138.824,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.67396,
    "c": 0.18882,
    "h": 147.8
  },
  "luminance": 0.33384
}

Semantic roles & 50–950 ramp

primary
#1BB44B
secondary
#CC5FAA
accent
#37B6F1
background
#F7FCF8
surface
#EEF9EF
border
#C9D2CA
text
#0A130A
muted
#7C827C

Preview Lab

Preview with #1BB44B

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

Preview Lab → · Contrast checker → · Palette generator →

#1BB44B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva