#1F9731#1F9731

#1F9731 is a mid, vivid green. Relative luminance 0.226; OKLCH L 59.2% C 0.174 H 144.9°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#1F9731
RGB	rgb(31, 151, 49)
HSL	hsl(129, 66%, 36%)
HSV	hsv(129, 79%, 59%)
CMYK	cmyk(79.5%, 0%, 67.5%, 40.8%)
CIE-LAB	lab(54.70, -52.64, 43.21)
CIE-LCH	lch(54.70, 68.10, 140.62°)
OKLab	oklab(59.22% -0.1421 0.0999)
OKLCH	oklch(59.22% 0.174 144.9)
XYZ	xyz(12.1852, 22.6448, 6.6338)
Luminance	0.2265 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9731 #971F85

analogous

#49971F #1F9731 #1F976D

triadic

#1F9731 #311F97 #97311F

tetradic

#1F9731 #1F4997 #971F85 #976D1F

square

#1F9731 #1F4997 #971F85 #976D1F

split-complementary

#1F9731 #6D1F97 #971F49

monochromatic

#0A3110 #156421 #1F9731 #29CA41 #54DC69

Accessibility & contrast

On white

3.80

#1F9731 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#1F9731 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9731

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9731	#FFFFFF	#000000	##000000
##1F9731	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9A8824

Deuteranopia (green-blind)

#8D7F3A

Tritanopia (blue-blind)

#009382

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #1f9731;
/* rgb */ color: rgb(31, 151, 49);
/* oklch */ color: oklch(59.2% 0.174 144.9);

Tailwind

colors: {
  custom: {
    50: '#71b76e',
    500: '#1f9731',
    950: '#000000',
  },
}

SCSS

$custom: #1f9731;
$custom-light: #71b76e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9731",
  "rgb": {
    "r": 31,
    "g": 151,
    "b": 49
  },
  "hsl": {
    "h": 129,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.59218,
    "c": 0.1737,
    "h": 144.9
  },
  "luminance": 0.22646
}

Semantic roles & 50–950 ramp

primary

#1F9731

secondary

#BF52AF

accent

#3FCFE9

background

#F7FBF6

surface

#EDF6EC

border

#C8D0C7

text

#091107

muted

#7B807A

Preview Lab

Preview with #1F9731

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

Preview Lab → · Contrast checker → · Palette generator →