#1B8520#1B8520

#1B8520 is a mid, vivid green. Relative luminance 0.171; OKLCH L 53.9% C 0.165 H 143.4°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#1B8520
RGB	rgb(27, 133, 32)
HSL	hsl(123, 66%, 31%)
HSV	hsv(123, 80%, 52%)
CMYK	cmyk(79.7%, 0%, 75.9%, 47.8%)
CIE-LAB	lab(48.40, -48.85, 43.52)
CIE-LCH	lch(48.40, 65.42, 138.31°)
OKLab	oklab(53.92% -0.1324 0.0985)
OKLCH	oklch(53.92% 0.165 143.4)
XYZ	xyz(9.0996, 17.1113, 4.1894)
Luminance	0.1711 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8520 #851B80

analogous

#4B851B #1B8520 #1B8555

triadic

#1B8520 #201B85 #85201B

tetradic

#1B8520 #1B4B85 #851B80 #85551B

square

#1B8520 #1B4B85 #851B80 #85551B

split-complementary

#1B8520 #551B85 #851B4B

monochromatic

#061F08 #115214 #1B8520 #25B82C #42D949

Accessibility & contrast

On white

4.75

#1B8520 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#1B8520 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B8520

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8520	#FFFFFF	#000000	##FFFFFF
##1B8520	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#88780D

Deuteranopia (green-blind)

#7C702B

Tritanopia (blue-blind)

#008171

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #1b8520;
/* rgb */ color: rgb(27, 133, 32);
/* oklch */ color: oklch(53.9% 0.165 143.4);

Tailwind

colors: {
  custom: {
    50: '#6caa63',
    500: '#1b8520',
    950: '#000000',
  },
}

SCSS

$custom: #1b8520;
$custom-light: #6caa63;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8520",
  "rgb": {
    "r": 27,
    "g": 133,
    "b": 32
  },
  "hsl": {
    "h": 122.83,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.53916,
    "c": 0.16497,
    "h": 143.4
  },
  "luminance": 0.17112
}

Semantic roles & 50–950 ramp

primary

#1B8520

secondary

#B844B3

accent

#3FE1E9

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081005

muted

#7B7F7A

Preview Lab

Preview with #1B8520

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

Preview Lab → · Contrast checker → · Palette generator →