#1B9937#1B9937

#1B9937 is a mid, vivid green. Relative luminance 0.233; OKLCH L 59.8% C 0.173 H 146.0°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#1B9937
RGB	rgb(27, 153, 55)
HSL	hsl(133, 70%, 35%)
HSV	hsv(133, 82%, 60%)
CMYK	cmyk(82.4%, 0%, 64.1%, 40%)
CIE-LAB	lab(55.37, -53.14, 41.25)
CIE-LCH	lch(55.37, 67.28, 142.18°)
OKLab	oklab(59.77% -0.143 0.0964)
OKLCH	oklch(59.77% 0.173 146)
XYZ	xyz(12.5319, 23.2898, 7.4486)
Luminance	0.2329 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9937 #991B7D

analogous

#3E991B #1B9937 #1B9976

triadic

#1B9937 #371B99 #99371B

tetradic

#1B9937 #1B3E99 #991B7D #99761B

square

#1B9937 #1B3E99 #991B7D #99761B

split-complementary

#1B9937 #761B99 #991B3E

monochromatic

#093112 #126524 #1B9937 #24CD4A #4FE06F

Accessibility & contrast

On white

3.71

#1B9937 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#1B9937 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9937

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9937	#FFFFFF	#000000	##000000
##1B9937	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9B8A2C

Deuteranopia (green-blind)

#8E8140

Tritanopia (blue-blind)

#009584

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #1b9937;
/* rgb */ color: rgb(27, 153, 55);
/* oklch */ color: oklch(59.8% 0.173 146.0);

Tailwind

colors: {
  custom: {
    50: '#70b872',
    500: '#1b9937',
    950: '#000000',
  },
}

SCSS

$custom: #1b9937;
$custom-light: #70b872;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9937",
  "rgb": {
    "r": 27,
    "g": 153,
    "b": 55
  },
  "hsl": {
    "h": 133.333,
    "s": 70,
    "l": 35.294
  },
  "oklch": {
    "l": 0.5977,
    "c": 0.17251,
    "h": 146
  },
  "luminance": 0.23291
}

Semantic roles & 50–950 ramp

primary

#1B9937

secondary

#C24EA8

accent

#3BC5ED

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091108

muted

#7B807B

Preview Lab

Preview with #1B9937

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

Preview Lab → · Contrast checker → · Palette generator →