#1F9737#1F9737

#1F9737 is a mid, vivid green. Relative luminance 0.227; OKLCH L 59.3% C 0.169 H 145.8°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#1F9737
RGB	rgb(31, 151, 55)
HSL	hsl(132, 66%, 36%)
HSV	hsv(132, 79%, 59%)
CMYK	cmyk(79.5%, 0%, 63.6%, 40.8%)
CIE-LAB	lab(54.76, -51.96, 40.58)
CIE-LCH	lch(54.76, 65.93, 142.01°)
OKLab	oklab(59.28% -0.14 0.095)
OKLCH	oklch(59.28% 0.169 145.8)
XYZ	xyz(12.3204, 22.6989, 7.3457)
Luminance	0.2270 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9737 #971F7F

analogous

#43971F #1F9737 #1F9773

triadic

#1F9737 #371F97 #97371F

tetradic

#1F9737 #1F4397 #971F7F #97731F

square

#1F9737 #1F4397 #971F7F #97731F

split-complementary

#1F9737 #731F97 #971F43

monochromatic

#0A3112 #156425 #1F9737 #29CA49 #54DC70

Accessibility & contrast

On white

3.79

#1F9737 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#1F9737 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9737

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9737	#FFFFFF	#000000	##000000
##1F9737	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99892C

Deuteranopia (green-blind)

#8C7F3F

Tritanopia (blue-blind)

#009383

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #1f9737;
/* rgb */ color: rgb(31, 151, 55);
/* oklch */ color: oklch(59.3% 0.169 145.8);

Tailwind

colors: {
  custom: {
    50: '#70b772',
    500: '#1f9737',
    950: '#000000',
  },
}

SCSS

$custom: #1f9737;
$custom-light: #70b772;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9737",
  "rgb": {
    "r": 31,
    "g": 151,
    "b": 55
  },
  "hsl": {
    "h": 132,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.59282,
    "c": 0.16916,
    "h": 145.8
  },
  "luminance": 0.227
}

Semantic roles & 50–950 ramp

primary

#1F9737

secondary

#BF52AA

accent

#3FC7E9

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091108

muted

#7B807B

Preview Lab

Preview with #1F9737

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

Preview Lab → · Contrast checker → · Palette generator →