#1F841B#1F841B

#1F841B is a mid, vivid green. Relative luminance 0.169; OKLCH L 53.7% C 0.166 H 142.4°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#1F841B
RGB	rgb(31, 132, 27)
HSL	hsl(118, 66%, 31%)
HSV	hsv(118, 80%, 52%)
CMYK	cmyk(76.5%, 0%, 79.5%, 48.2%)
CIE-LAB	lab(48.10, -48.27, 45.05)
CIE-LCH	lch(48.10, 66.03, 136.98°)
OKLab	oklab(53.68% -0.1312 0.1009)
OKLCH	oklch(53.68% 0.166 142.4)
XYZ	xyz(9.0136, 16.8719, 3.8183)
Luminance	0.1687 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F841B #801B84

analogous

#53841B #1F841B #1B844B

triadic

#1F841B #1B1F84 #841B1F

tetradic

#1F841B #1B5384 #801B84 #844B1B

square

#1F841B #1B5384 #801B84 #844B1B

split-complementary

#1F841B #4B1B84 #841B53

monochromatic

#071E06 #135111 #1F841B #2BB725 #47D841

Accessibility & contrast

On white

4.80

#1F841B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#1F841B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F841B

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F841B	#FFFFFF	#000000	##FFFFFF
##1F841B	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#877701

Deuteranopia (green-blind)

#7C6F27

Tritanopia (blue-blind)

#008070

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #1f841b;
/* rgb */ color: rgb(31, 132, 27);
/* oklch */ color: oklch(53.7% 0.166 142.4);

Tailwind

colors: {
  custom: {
    50: '#6da960',
    500: '#1f841b',
    950: '#000000',
  },
}

SCSS

$custom: #1f841b;
$custom-light: #6da960;
$custom-dark: #000000;

JSON

{
  "hex": "#1f841b",
  "rgb": {
    "r": 31,
    "g": 132,
    "b": 27
  },
  "hsl": {
    "h": 117.714,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.53677,
    "c": 0.16556,
    "h": 142.4
  },
  "luminance": 0.16873
}

Semantic roles & 50–950 ramp

primary

#1F841B

secondary

#B343B7

accent

#3FE9E2

background

#F7FAF5

surface

#EDF4EA

border

#C8CEC6

text

#081005

muted

#7B7F79

Preview Lab

Preview with #1F841B

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

Preview Lab → · Contrast checker → · Palette generator →