#1F9721#1F9721

#1F9721 is a mid, vivid green. Relative luminance 0.225; OKLCH L 59.1% C 0.184 H 143.0°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#1F9721
RGB	rgb(31, 151, 33)
HSL	hsl(121, 66%, 36%)
HSV	hsv(121, 79%, 59%)
CMYK	cmyk(79.5%, 0%, 78.1%, 40.8%)
CIE-LAB	lab(54.59, -54.09, 49.33)
CIE-LCH	lch(54.59, 73.20, 137.64°)
OKLab	oklab(59.08% -0.1467 0.1107)
OKLCH	oklch(59.08% 0.184 143)
XYZ	xyz(11.9054, 22.5329, 5.1604)
Luminance	0.2253 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9721 #971F95

analogous

#59971F #1F9721 #1F975D

triadic

#1F9721 #211F97 #97211F

tetradic

#1F9721 #1F5997 #971F95 #975D1F

square

#1F9721 #1F5997 #971F95 #975D1F

split-complementary

#1F9721 #5D1F97 #971F59

monochromatic

#0A310B #156416 #1F9721 #29CA2C #54DC57

Accessibility & contrast

On white

3.81

#1F9721 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#1F9721 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9721

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9721	#FFFFFF	#000000	##000000
##1F9721	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9A8803

Deuteranopia (green-blind)

#8D7F2E

Tritanopia (blue-blind)

#009281

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #1f9721;
/* rgb */ color: rgb(31, 151, 33);
/* oklch */ color: oklch(59.1% 0.184 143.0);

Tailwind

colors: {
  custom: {
    50: '#72b765',
    500: '#1f9721',
    950: '#000000',
  },
}

SCSS

$custom: #1f9721;
$custom-light: #72b765;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9721",
  "rgb": {
    "r": 31,
    "g": 151,
    "b": 33
  },
  "hsl": {
    "h": 121,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.59083,
    "c": 0.18379,
    "h": 143
  },
  "luminance": 0.22534
}

Semantic roles & 50–950 ramp

primary

#1F9721

secondary

#BF52BE

accent

#3FE6E9

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#091106

muted

#7B807A

Preview Lab

Preview with #1F9721

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

Preview Lab → · Contrast checker → · Palette generator →