#1B9831#1B9831

#1B9831 is a mid, vivid green. Relative luminance 0.229; OKLCH L 59.4% C 0.176 H 145.1°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#1B9831
RGB	rgb(27, 152, 49)
HSL	hsl(131, 70%, 35%)
HSV	hsv(131, 82%, 60%)
CMYK	cmyk(82.2%, 0%, 67.8%, 40.4%)
CIE-LAB	lab(54.98, -53.49, 43.49)
CIE-LCH	lch(54.98, 68.94, 140.89°)
OKLab	oklab(59.43% -0.1442 0.1005)
OKLCH	oklch(59.43% 0.176 145.1)
XYZ	xyz(12.2337, 22.9097, 6.6824)
Luminance	0.2291 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9831 #981B82

analogous

#44981B #1B9831 #1B986F

triadic

#1B9831 #311B98 #98311B

tetradic

#1B9831 #1B4498 #981B82 #986F1B

square

#1B9831 #1B4498 #981B82 #986F1B

split-complementary

#1B9831 #6F1B98 #981B44

monochromatic

#09300F #126420 #1B9831 #24CC42 #4EE068

Accessibility & contrast

On white

3.76

#1B9831 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#1B9831 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9831

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9831	#FFFFFF	#000000	##000000
##1B9831	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9B8923

Deuteranopia (green-blind)

#8D803B

Tritanopia (blue-blind)

#009483

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #1b9831;
/* rgb */ color: rgb(27, 152, 49);
/* oklch */ color: oklch(59.4% 0.176 145.1);

Tailwind

colors: {
  custom: {
    50: '#70b76e',
    500: '#1b9831',
    950: '#000000',
  },
}

SCSS

$custom: #1b9831;
$custom-light: #70b76e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9831",
  "rgb": {
    "r": 27,
    "g": 152,
    "b": 49
  },
  "hsl": {
    "h": 130.56,
    "s": 69.832,
    "l": 35.098
  },
  "oklch": {
    "l": 0.59428,
    "c": 0.17582,
    "h": 145.1
  },
  "luminance": 0.22911
}

Semantic roles & 50–950 ramp

primary

#1B9831

secondary

#C24DAD

accent

#3BCDED

background

#F7FBF6

surface

#EDF6EC

border

#C8D0C7

text

#091107

muted

#7B807A

Preview Lab

Preview with #1B9831

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

Preview Lab → · Contrast checker → · Palette generator →