#1F9740#1F9740

#1F9740 is a mid, vivid green. Relative luminance 0.228; OKLCH L 59.4% C 0.162 H 147.6°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#1F9740
RGB	rgb(31, 151, 64)
HSL	hsl(137, 66%, 36%)
HSV	hsv(137, 79%, 59%)
CMYK	cmyk(79.5%, 0%, 57.6%, 40.8%)
CIE-LAB	lab(54.86, -50.78, 36.40)
CIE-LCH	lch(54.86, 62.48, 144.36°)
OKLab	oklab(59.4% -0.1365 0.0867)
OKLCH	oklch(59.4% 0.162 147.6)
XYZ	xyz(12.5561, 22.7932, 8.5873)
Luminance	0.2280 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9740 #971F76

analogous

#3A971F #1F9740 #1F977C

triadic

#1F9740 #401F97 #97401F

tetradic

#1F9740 #1F3A97 #971F76 #977C1F

square

#1F9740 #1F3A97 #971F76 #977C1F

split-complementary

#1F9740 #7C1F97 #971F3A

monochromatic

#0A3115 #15642A #1F9740 #29CA56 #54DC7A

Accessibility & contrast

On white

3.78

#1F9740 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#1F9740 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9740

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9740	#FFFFFF	#000000	##000000
##1F9740	1.00	3.78	5.56	5.56
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#998938

Deuteranopia (green-blind)

#8B8047

Tritanopia (blue-blind)

#009484

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #1f9740;
/* rgb */ color: rgb(31, 151, 64);
/* oklch */ color: oklch(59.4% 0.162 147.6);

Tailwind

colors: {
  custom: {
    50: '#70b777',
    500: '#1f9740',
    950: '#000000',
  },
}

SCSS

$custom: #1f9740;
$custom-light: #70b777;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9740",
  "rgb": {
    "r": 31,
    "g": 151,
    "b": 64
  },
  "hsl": {
    "h": 136.5,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.59395,
    "c": 0.16172,
    "h": 147.6
  },
  "luminance": 0.22795
}

Semantic roles & 50–950 ramp

primary

#1F9740

secondary

#BF52A1

accent

#3FBAE9

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091109

muted

#7B807B

Preview Lab

Preview with #1F9740

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

Preview Lab → · Contrast checker → · Palette generator →