#1BB41C#1BB41C

#1BB41C is a light, highly saturated green. Relative luminance 0.330; OKLCH L 67.0% C 0.217 H 142.7°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#1BB41C
RGB	rgb(27, 180, 28)
HSL	hsl(120, 74%, 41%)
HSV	hsv(120, 85%, 71%)
CMYK	cmyk(85%, 0%, 84.4%, 29.4%)
CIE-LAB	lab(64.13, -63.76, 59.72)
CIE-LCH	lch(64.13, 87.36, 136.87°)
OKLab	oklab(67% -0.173 0.1318)
OKLCH	oklch(67% 0.217 142.7)
XYZ	xyz(16.9818, 32.9572, 6.5648)
Luminance	0.3296 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1BB41C #B41BB3

analogous

#66B41B #1BB41C #1BB468

triadic

#1BB41C #1C1BB4 #B41C1B

tetradic

#1BB41C #1B66B4 #B41BB3 #B4681B

square

#1BB41C #1B66B4 #B41BB3 #B4681B

split-complementary

#1BB41C #681BB4 #B41B66

monochromatic

#0B4A0B #137F14 #1BB41C #2DDF2E #62E763

Accessibility & contrast

On white

2.77

#1BB41C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.59

#1BB41C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1BB41C

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1BB41C	#FFFFFF	#000000	##000000
##1BB41C	1.00	2.77	7.59	7.59
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.59	21.00	1.00	1.00
##000000	7.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A200

Deuteranopia (green-blind)

#A99731

Tritanopia (blue-blind)

#00AE99

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #1bb41c;
/* rgb */ color: rgb(27, 180, 28);
/* oklch */ color: oklch(67.0% 0.217 142.7);

Tailwind

colors: {
  custom: {
    50: '#78cc68',
    500: '#1bb41c',
    950: '#000000',
  },
}

SCSS

$custom: #1bb41c;
$custom-light: #78cc68;
$custom-dark: #000000;

JSON

{
  "hex": "#1bb41c",
  "rgb": {
    "r": 27,
    "g": 180,
    "b": 28
  },
  "hsl": {
    "h": 120.392,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.67002,
    "c": 0.21746,
    "h": 142.7
  },
  "luminance": 0.32959
}

Semantic roles & 50–950 ramp

primary

#1BB41C

secondary

#CC5FCB

accent

#37EFF1

background

#F8FCF6

surface

#EFF9EB

border

#CAD2C6

text

#0B1307

muted

#7C827A

Preview Lab

Preview with #1BB41C

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

Preview Lab → · Contrast checker → · Palette generator →