#1BB33D#1BB33D

#1BB33D is a light, vivid green. Relative luminance 0.328; OKLCH L 67.0% C 0.198 H 145.7°. Best body text is #000000 at 7.56:1 contrast (WCAG AA passes).

Color values

HEX#1BB33D
RGBrgb(27, 179, 61)
HSLhsl(133, 74%, 40%)
HSVhsv(133, 85%, 70%)
CMYKcmyk(84.9%, 0%, 65.9%, 29.8%)
CIE-LABlab(64.01, -60.87, 48.22)
CIE-LCHlch(64.01, 77.66, 141.61°)
OKLaboklab(66.97% -0.1639 0.1119)
OKLCHoklch(66.97% 0.198 145.7)
XYZxyz(17.4131, 32.8079, 9.8288)
Luminance0.3281 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1BB33D #B31B91
analogous
#45B31B #1BB33D #1BB389
triadic
#1BB33D #3D1BB3 #B33D1B
tetradic
#1BB33D #1B45B3 #B31B91 #B3891B
square
#1BB33D #1B45B3 #B31B91 #B3891B
split-complementary
#1BB33D #891BB3 #B31B45
monochromatic
#0B4919 #137E2B #1BB33D #2CDF54 #61E77F

Accessibility & contrast

On white

2.78
#1BB33D on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.56
#1BB33D on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1BB33D
7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1BB33D#FFFFFF#000000##000000
##1BB33D1.002.787.567.56
#FFFFFF2.781.0021.0021.00
#0000007.5621.001.001.00
##0000007.5621.001.001.00

Color blindness preview

Protanopia (red-blind)
#B6A22E
Deuteranopia (green-blind)
#A69748
Tritanopia (blue-blind)
#00AE9B
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #1bb33d;
/* rgb */ color: rgb(27, 179, 61);
/* oklch */ color: oklch(67.0% 0.198 145.7);
Tailwind
colors: {
  custom: {
    50: '#76cb78',
    500: '#1bb33d',
    950: '#000000',
  },
}
SCSS
$custom: #1bb33d;
$custom-light: #76cb78;
$custom-dark: #000000;
JSON
{
  "hex": "#1bb33d",
  "rgb": {
    "r": 27,
    "g": 179,
    "b": 61
  },
  "hsl": {
    "h": 133.421,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.66967,
    "c": 0.19839,
    "h": 145.7
  },
  "luminance": 0.3281
}

Semantic roles & 50–950 ramp

primary
#1BB33D
secondary
#CC5EB3
accent
#37C7F0
background
#F8FCF7
surface
#EFF9ED
border
#CAD2C8
text
#0A1309
muted
#7C827B

Preview Lab

Preview with #1BB33D

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

Preview Lab → · Contrast checker → · Palette generator →

#1BB33D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva