#1F873A#1F873A

#1F873A is a mid, vivid green. Relative luminance 0.179; OKLCH L 54.9% C 0.146 H 147.5°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#1F873A
RGB	rgb(31, 135, 58)
HSL	hsl(136, 63%, 33%)
HSV	hsv(136, 77%, 53%)
CMYK	cmyk(77%, 0%, 57%, 47.1%)
CIE-LAB	lab(49.40, -45.93, 32.89)
CIE-LCH	lch(49.40, 56.49, 144.39°)
OKLab	oklab(54.85% -0.1236 0.0786)
OKLCH	oklch(54.85% 0.146 147.5)
XYZ	xyz(9.9920, 17.9236, 6.9352)
Luminance	0.1792 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F873A #871F6C

analogous

#38871F #1F873A #1F876E

triadic

#1F873A #3A1F87 #873A1F

tetradic

#1F873A #1F3887 #871F6C #876E1F

square

#1F873A #1F3887 #871F6C #876E1F

split-complementary

#1F873A #6E1F87 #871F38

monochromatic

#08230F #145525 #1F873A #2AB94F #4BD66F

Accessibility & contrast

On white

4.58

#1F873A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#1F873A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F873A

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F873A	#FFFFFF	#000000	##000000
##1F873A	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#897A33

Deuteranopia (green-blind)

#7D7240

Tritanopia (blue-blind)

#008476

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #1f873a;
/* rgb */ color: rgb(31, 135, 58);
/* oklch */ color: oklch(54.9% 0.146 147.5);

Tailwind

colors: {
  custom: {
    50: '#6cab72',
    500: '#1f873a',
    950: '#000000',
  },
}

SCSS

$custom: #1f873a;
$custom-light: #6cab72;
$custom-dark: #000000;

JSON

{
  "hex": "#1f873a",
  "rgb": {
    "r": 31,
    "g": 135,
    "b": 58
  },
  "hsl": {
    "h": 135.577,
    "s": 62.651,
    "l": 32.549
  },
  "oklch": {
    "l": 0.5485,
    "c": 0.14645,
    "h": 147.5
  },
  "luminance": 0.17925
}

Semantic roles & 50–950 ramp

primary

#1F873A

secondary

#B84A9B

accent

#42BBE6

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #1F873A

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

Preview Lab → · Contrast checker → · Palette generator →