#1F871B#1F871B

#1F871B is a mid, vivid green. Relative luminance 0.177; OKLCH L 54.5% C 0.169 H 142.4°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#1F871B
RGB	rgb(31, 135, 27)
HSL	hsl(118, 67%, 32%)
HSV	hsv(118, 80%, 53%)
CMYK	cmyk(77%, 0%, 80%, 47.1%)
CIE-LAB	lab(49.13, -49.28, 46.05)
CIE-LCH	lch(49.13, 67.45, 136.94°)
OKLab	oklab(54.53% -0.134 0.103)
OKLCH	oklch(54.53% 0.169 142.4)
XYZ	xyz(9.4263, 17.6973, 3.9558)
Luminance	0.1770 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F871B #831B87

analogous

#55871B #1F871B #1B874D

triadic

#1F871B #1B1F87 #871B1F

tetradic

#1F871B #1B5587 #831B87 #874D1B

square

#1F871B #1B5587 #831B87 #874D1B

split-complementary

#1F871B #4D1B87 #871B55

monochromatic

#082107 #135411 #1F871B #2BBA25 #49D943

Accessibility & contrast

On white

4.63

#1F871B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#1F871B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #1F871B

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F871B	#FFFFFF	#000000	##FFFFFF
##1F871B	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7A00

Deuteranopia (green-blind)

#7F7228

Tritanopia (blue-blind)

#008373

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #1f871b;
/* rgb */ color: rgb(31, 135, 27);
/* oklch */ color: oklch(54.5% 0.169 142.4);

Tailwind

colors: {
  custom: {
    50: '#6eab60',
    500: '#1f871b',
    950: '#000000',
  },
}

SCSS

$custom: #1f871b;
$custom-light: #6eab60;
$custom-dark: #000000;

JSON

{
  "hex": "#1f871b",
  "rgb": {
    "r": 31,
    "g": 135,
    "b": 27
  },
  "hsl": {
    "h": 117.778,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.54532,
    "c": 0.16899,
    "h": 142.4
  },
  "luminance": 0.17698
}

Semantic roles & 50–950 ramp

primary

#1F871B

secondary

#B644BA

accent

#3EEAE3

background

#F7FAF5

surface

#EDF4EA

border

#C8CEC6

text

#081005

muted

#7B7F79

Preview Lab

Preview with #1F871B

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

Preview Lab → · Contrast checker → · Palette generator →