#1B8B1D#1B8B1D

#1B8B1D is a mid, vivid green. Relative luminance 0.188; OKLCH L 55.6% C 0.174 H 143.0°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#1B8B1D
RGB	rgb(27, 139, 29)
HSL	hsl(121, 67%, 33%)
HSV	hsv(121, 81%, 55%)
CMYK	cmyk(80.6%, 0%, 79.1%, 45.5%)
CIE-LAB	lab(50.44, -51.06, 46.62)
CIE-LCH	lch(50.44, 69.14, 137.61°)
OKLab	oklab(55.6% -0.1385 0.1045)
OKLCH	oklch(55.6% 0.174 143)
XYZ	xyz(9.9058, 18.7858, 4.2661)
Luminance	0.1879 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8B1D #8B1B89

analogous

#518B1B #1B8B1D #1B8B55

triadic

#1B8B1D #1D1B8B #8B1D1B

tetradic

#1B8B1D #1B518B #8B1B89 #8B551B

square

#1B8B1D #1B518B #8B1B89 #8B551B

split-complementary

#1B8B1D #551B8B #8B1B51

monochromatic

#072508 #115812 #1B8B1D #25BE28 #45DB48

Accessibility & contrast

On white

4.41

#1B8B1D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#1B8B1D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8B1D

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8B1D	#FFFFFF	#000000	##000000
##1B8B1D	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D02

Deuteranopia (green-blind)

#82752A

Tritanopia (blue-blind)

#008776

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1b8b1d;
/* rgb */ color: rgb(27, 139, 29);
/* oklch */ color: oklch(55.6% 0.174 143.0);

Tailwind

colors: {
  custom: {
    50: '#6dae62',
    500: '#1b8b1d',
    950: '#000000',
  },
}

SCSS

$custom: #1b8b1d;
$custom-light: #6dae62;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8b1d",
  "rgb": {
    "r": 27,
    "g": 139,
    "b": 29
  },
  "hsl": {
    "h": 121.071,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.55603,
    "c": 0.17351,
    "h": 143
  },
  "luminance": 0.18787
}

Semantic roles & 50–950 ramp

primary

#1B8B1D

secondary

#BC45BA

accent

#3DE7EA

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081005

muted

#7B7F7A

Preview Lab

Preview with #1B8B1D

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

Preview Lab → · Contrast checker → · Palette generator →