#1B8517#1B8517

#1B8517 is a mid, vivid green. Relative luminance 0.171; OKLCH L 53.9% C 0.170 H 142.4°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#1B8517
RGB	rgb(27, 133, 23)
HSL	hsl(118, 71%, 31%)
HSV	hsv(118, 83%, 52%)
CMYK	cmyk(79.7%, 0%, 82.7%, 47.8%)
CIE-LAB	lab(48.35, -49.51, 46.57)
CIE-LCH	lch(48.35, 67.97, 136.76°)
OKLab	oklab(53.86% -0.1346 0.1035)
OKLCH	oklch(53.86% 0.17 142.4)
XYZ	xyz(8.9936, 17.0689, 3.6311)
Luminance	0.1707 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8517 #811785

analogous

#528517 #1B8517 #17854A

triadic

#1B8517 #171B85 #85171B

tetradic

#1B8517 #175285 #811785 #854A17

square

#1B8517 #175285 #811785 #854A17

split-complementary

#1B8517 #4A1785 #851752

monochromatic

#061D05 #10510E #1B8517 #26B920 #3FDD3A

Accessibility & contrast

On white

4.76

#1B8517 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#1B8517 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B8517

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8517	#FFFFFF	#000000	##FFFFFF
##1B8517	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#887800

Deuteranopia (green-blind)

#7D7025

Tritanopia (blue-blind)

#008171

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #1b8517;
/* rgb */ color: rgb(27, 133, 23);
/* oklch */ color: oklch(53.9% 0.170 142.4);

Tailwind

colors: {
  custom: {
    50: '#6caa5e',
    500: '#1b8517',
    950: '#000000',
  },
}

SCSS

$custom: #1b8517;
$custom-light: #6caa5e;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8517",
  "rgb": {
    "r": 27,
    "g": 133,
    "b": 23
  },
  "hsl": {
    "h": 117.818,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.53855,
    "c": 0.16979,
    "h": 142.4
  },
  "luminance": 0.1707
}

Semantic roles & 50–950 ramp

primary

#1B8517

secondary

#B53FB9

accent

#3BEDE7

background

#F7FAF5

surface

#EDF4EA

border

#C8CEC6

text

#081005

muted

#7B7F79

Preview Lab

Preview with #1B8517

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

Preview Lab → · Contrast checker → · Palette generator →