#1F873B#1F873B

#1F873B is a mid, vivid green. Relative luminance 0.179; OKLCH L 54.9% C 0.146 H 147.8°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#1F873B
RGB	rgb(31, 135, 59)
HSL	hsl(136, 63%, 33%)
HSV	hsv(136, 77%, 53%)
CMYK	cmyk(77%, 0%, 56.3%, 47.1%)
CIE-LAB	lab(49.42, -45.78, 32.40)
CIE-LCH	lch(49.42, 56.09, 144.72°)
OKLab	oklab(54.86% -0.1232 0.0776)
OKLCH	oklch(54.86% 0.146 147.8)
XYZ	xyz(10.0177, 17.9339, 7.0704)
Luminance	0.1794 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F873B #871F6B

analogous

#37871F #1F873B #1F876F

triadic

#1F873B #3B1F87 #873B1F

tetradic

#1F873B #1F3787 #871F6B #876F1F

square

#1F873B #1F3787 #871F6B #876F1F

split-complementary

#1F873B #6F1F87 #871F37

monochromatic

#08230F #145525 #1F873B #2AB951 #4BD670

Accessibility & contrast

On white

4.58

#1F873B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#1F873B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F873B

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F873B	#FFFFFF	#000000	##000000
##1F873B	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)

#887B34

Deuteranopia (green-blind)

#7D7241

Tritanopia (blue-blind)

#008476

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #1f873b;
/* rgb */ color: rgb(31, 135, 59);
/* oklch */ color: oklch(54.9% 0.146 147.8);

Tailwind

colors: {
  custom: {
    50: '#6cab73',
    500: '#1f873b',
    950: '#000000',
  },
}

SCSS

$custom: #1f873b;
$custom-light: #6cab73;
$custom-dark: #000000;

JSON

{
  "hex": "#1f873b",
  "rgb": {
    "r": 31,
    "g": 135,
    "b": 59
  },
  "hsl": {
    "h": 136.154,
    "s": 62.651,
    "l": 32.549
  },
  "oklch": {
    "l": 0.54864,
    "c": 0.14555,
    "h": 147.8
  },
  "luminance": 0.17935
}

Semantic roles & 50–950 ramp

primary

#1F873B

secondary

#B84A9A

accent

#42BAE6

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #1F873B

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

Preview Lab → · Contrast checker → · Palette generator →