#1B9931#1B9931

#1B9931 is a mid, vivid green. Relative luminance 0.232; OKLCH L 59.7% C 0.177 H 145.1°. Best body text is #000000 at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#1B9931
RGB	rgb(27, 153, 49)
HSL	hsl(130, 70%, 35%)
HSV	hsv(130, 82%, 60%)
CMYK	cmyk(82.4%, 0%, 68%, 40%)
CIE-LAB	lab(55.31, -53.82, 43.85)
CIE-LCH	lch(55.31, 69.43, 140.83°)
OKLab	oklab(59.71% -0.1451 0.1013)
OKLCH	oklch(59.71% 0.177 145.1)
XYZ	xyz(12.3967, 23.2357, 6.7367)
Luminance	0.2324 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9931 #991B83

analogous

#44991B #1B9931 #1B9970

triadic

#1B9931 #311B99 #99311B

tetradic

#1B9931 #1B4499 #991B83 #99701B

square

#1B9931 #1B4499 #991B83 #99701B

split-complementary

#1B9931 #701B99 #991B44

monochromatic

#093110 #126520 #1B9931 #24CD42 #4FE068

Accessibility & contrast

On white

3.72

#1B9931 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.65

#1B9931 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9931

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9931	#FFFFFF	#000000	##000000
##1B9931	1.00	3.72	5.65	5.65
#FFFFFF	3.72	1.00	21.00	21.00
#000000	5.65	21.00	1.00	1.00
##000000	5.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9C8A23

Deuteranopia (green-blind)

#8E813B

Tritanopia (blue-blind)

#009584

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #1b9931;
/* rgb */ color: rgb(27, 153, 49);
/* oklch */ color: oklch(59.7% 0.177 145.1);

Tailwind

colors: {
  custom: {
    50: '#70b86e',
    500: '#1b9931',
    950: '#000000',
  },
}

SCSS

$custom: #1b9931;
$custom-light: #70b86e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9931",
  "rgb": {
    "r": 27,
    "g": 153,
    "b": 49
  },
  "hsl": {
    "h": 130.476,
    "s": 70,
    "l": 35.294
  },
  "oklch": {
    "l": 0.59707,
    "c": 0.17699,
    "h": 145.1
  },
  "luminance": 0.23237
}

Semantic roles & 50–950 ramp

primary

#1B9931

secondary

#C24EAE

accent

#3BCEED

background

#F7FBF6

surface

#EDF6EC

border

#C8D0C7

text

#091107

muted

#7B807A

Preview Lab

Preview with #1B9931

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

Preview Lab → · Contrast checker → · Palette generator →