#1F831B#1F831B

#1F831B is a mid, vivid green. Relative luminance 0.166; OKLCH L 53.4% C 0.164 H 142.4°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#1F831B
RGB	rgb(31, 131, 27)
HSL	hsl(118, 66%, 31%)
HSV	hsv(118, 79%, 51%)
CMYK	cmyk(76.3%, 0%, 79.4%, 48.6%)
CIE-LAB	lab(47.75, -47.94, 44.72)
CIE-LCH	lch(47.75, 65.55, 136.99°)
OKLab	oklab(53.39% -0.1303 0.1002)
OKLCH	oklch(53.39% 0.164 142.4)
XYZ	xyz(8.8787, 16.6020, 3.7733)
Luminance	0.1660 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F831B #7F1B83

analogous

#53831B #1F831B #1B834B

triadic

#1F831B #1B1F83 #831B1F

tetradic

#1F831B #1B5383 #7F1B83 #834B1B

square

#1F831B #1B5383 #7F1B83 #834B1B

split-complementary

#1F831B #4B1B83 #831B53

monochromatic

#071E06 #135011 #1F831B #2BB625 #46D841

Accessibility & contrast

On white

4.86

#1F831B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#1F831B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F831B

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F831B	#FFFFFF	#000000	##FFFFFF
##1F831B	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#867602

Deuteranopia (green-blind)

#7B6E27

Tritanopia (blue-blind)

#007F6F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #1f831b;
/* rgb */ color: rgb(31, 131, 27);
/* oklch */ color: oklch(53.4% 0.164 142.4);

Tailwind

colors: {
  custom: {
    50: '#6da860',
    500: '#1f831b',
    950: '#000000',
  },
}

SCSS

$custom: #1f831b;
$custom-light: #6da860;
$custom-dark: #000000;

JSON

{
  "hex": "#1f831b",
  "rgb": {
    "r": 31,
    "g": 131,
    "b": 27
  },
  "hsl": {
    "h": 117.692,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.53391,
    "c": 0.16441,
    "h": 142.4
  },
  "luminance": 0.16603
}

Semantic roles & 50–950 ramp

primary

#1F831B

secondary

#B243B6

accent

#3FE9E2

background

#F7FAF5

surface

#EDF4EA

border

#C8CEC6

text

#081005

muted

#7B7F79

Preview Lab

Preview with #1F831B

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

Preview Lab → · Contrast checker → · Palette generator →