#1F9921#1F9921

#1F9921 is a mid, vivid green. Relative luminance 0.232; OKLCH L 59.6% C 0.186 H 143.0°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#1F9921
RGB	rgb(31, 153, 33)
HSL	hsl(121, 66%, 36%)
HSV	hsv(121, 80%, 60%)
CMYK	cmyk(79.7%, 0%, 78.4%, 40%)
CIE-LAB	lab(55.26, -54.73, 49.98)
CIE-LCH	lch(55.26, 74.12, 137.60°)
OKLab	oklab(59.64% -0.1485 0.1121)
OKLCH	oklch(59.64% 0.186 143)
XYZ	xyz(12.2300, 23.1821, 5.2686)
Luminance	0.2318 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9921 #991F97

analogous

#5A991F #1F9921 #1F995E

triadic

#1F9921 #211F99 #99211F

tetradic

#1F9921 #1F5A99 #991F97 #995E1F

square

#1F9921 #1F5A99 #991F97 #995E1F

split-complementary

#1F9921 #5E1F99 #991F5A

monochromatic

#0A330B #156616 #1F9921 #29CC2C #56DD58

Accessibility & contrast

On white

3.73

#1F9921 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#1F9921 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9921

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9921	#FFFFFF	#000000	##000000
##1F9921	1.00	3.73	5.64	5.64
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9C8A02

Deuteranopia (green-blind)

#8F812F

Tritanopia (blue-blind)

#009482

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #1f9921;
/* rgb */ color: rgb(31, 153, 33);
/* oklch */ color: oklch(59.6% 0.186 143.0);

Tailwind

colors: {
  custom: {
    50: '#72b866',
    500: '#1f9921',
    950: '#000000',
  },
}

SCSS

$custom: #1f9921;
$custom-light: #72b866;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9921",
  "rgb": {
    "r": 31,
    "g": 153,
    "b": 33
  },
  "hsl": {
    "h": 120.984,
    "s": 66.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.59642,
    "c": 0.186,
    "h": 143
  },
  "luminance": 0.23184
}

Semantic roles & 50–950 ramp

primary

#1F9921

secondary

#C054BE

accent

#3FE6E9

background

#F7FBF6

surface

#EEF6EB

border

#C9D0C6

text

#091106

muted

#7B807A

Preview Lab

Preview with #1F9921

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

Preview Lab → · Contrast checker → · Palette generator →