#1F9739#1F9739

#1F9739 is a mid, vivid green. Relative luminance 0.227; OKLCH L 59.3% C 0.168 H 146.2°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#1F9739
RGB	rgb(31, 151, 57)
HSL	hsl(133, 66%, 36%)
HSV	hsv(133, 79%, 59%)
CMYK	cmyk(79.5%, 0%, 62.3%, 40.8%)
CIE-LAB	lab(54.78, -51.71, 39.68)
CIE-LCH	lch(54.78, 65.18, 142.50°)
OKLab	oklab(59.31% -0.1392 0.0932)
OKLCH	oklch(59.31% 0.168 146.2)
XYZ	xyz(12.3693, 22.7184, 7.6033)
Luminance	0.2272 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9739 #971F7D

analogous

#41971F #1F9739 #1F9775

triadic

#1F9739 #391F97 #97391F

tetradic

#1F9739 #1F4197 #971F7D #97751F

square

#1F9739 #1F4197 #971F7D #97751F

split-complementary

#1F9739 #751F97 #971F41

monochromatic

#0A3113 #156426 #1F9739 #29CA4C #54DC72

Accessibility & contrast

On white

3.79

#1F9739 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#1F9739 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9739

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9739	#FFFFFF	#000000	##000000
##1F9739	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)

#99892F

Deuteranopia (green-blind)

#8C7F41

Tritanopia (blue-blind)

#009383

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #1f9739;
/* rgb */ color: rgb(31, 151, 57);
/* oklch */ color: oklch(59.3% 0.168 146.2);

Tailwind

colors: {
  custom: {
    50: '#70b773',
    500: '#1f9739',
    950: '#000000',
  },
}

SCSS

$custom: #1f9739;
$custom-light: #70b773;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9739",
  "rgb": {
    "r": 31,
    "g": 151,
    "b": 57
  },
  "hsl": {
    "h": 133,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.59306,
    "c": 0.16756,
    "h": 146.2
  },
  "luminance": 0.2272
}

Semantic roles & 50–950 ramp

primary

#1F9739

secondary

#BF52A8

accent

#3FC4E9

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091108

muted

#7B807B

Preview Lab

Preview with #1F9739

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

Preview Lab → · Contrast checker → · Palette generator →