#1F851B#1F851B

#1F851B is a mid, vivid green. Relative luminance 0.171; OKLCH L 54.0% C 0.167 H 142.4°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#1F851B
RGB	rgb(31, 133, 27)
HSL	hsl(118, 66%, 31%)
HSV	hsv(118, 80%, 52%)
CMYK	cmyk(76.7%, 0%, 79.7%, 47.8%)
CIE-LAB	lab(48.44, -48.61, 45.38)
CIE-LCH	lch(48.44, 66.50, 136.97°)
OKLab	oklab(53.96% -0.1321 0.1016)
OKLCH	oklch(53.96% 0.167 142.4)
XYZ	xyz(9.1499, 17.1444, 3.8637)
Luminance	0.1714 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F851B #811B85

analogous

#54851B #1F851B #1B854C

triadic

#1F851B #1B1F85 #851B1F

tetradic

#1F851B #1B5485 #811B85 #854C1B

square

#1F851B #1B5485 #811B85 #854C1B

split-complementary

#1F851B #4C1B85 #851B54

monochromatic

#071F06 #135211 #1F851B #2BB825 #47D942

Accessibility & contrast

On white

4.74

#1F851B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#1F851B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F851B

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F851B	#FFFFFF	#000000	##FFFFFF
##1F851B	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#887801

Deuteranopia (green-blind)

#7D7027

Tritanopia (blue-blind)

#008171

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #1f851b;
/* rgb */ color: rgb(31, 133, 27);
/* oklch */ color: oklch(54.0% 0.167 142.4);

Tailwind

colors: {
  custom: {
    50: '#6daa60',
    500: '#1f851b',
    950: '#000000',
  },
}

SCSS

$custom: #1f851b;
$custom-light: #6daa60;
$custom-dark: #000000;

JSON

{
  "hex": "#1f851b",
  "rgb": {
    "r": 31,
    "g": 133,
    "b": 27
  },
  "hsl": {
    "h": 117.736,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.53962,
    "c": 0.16671,
    "h": 142.4
  },
  "luminance": 0.17145
}

Semantic roles & 50–950 ramp

primary

#1F851B

secondary

#B444B8

accent

#3FE9E3

background

#F7FAF5

surface

#EDF4EA

border

#C8CEC6

text

#081005

muted

#7B7F79

Preview Lab

Preview with #1F851B

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

Preview Lab → · Contrast checker → · Palette generator →