#1F8A21#1F8A21

#1F8A21 is a mid, vivid green. Relative luminance 0.186; OKLCH L 55.4% C 0.169 H 143.1°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#1F8A21
RGB	rgb(31, 138, 33)
HSL	hsl(121, 63%, 33%)
HSV	hsv(121, 78%, 54%)
CMYK	cmyk(77.5%, 0%, 76.1%, 45.9%)
CIE-LAB	lab(50.19, -49.83, 44.96)
CIE-LCH	lch(50.19, 67.11, 137.94°)
OKLab	oklab(55.43% -0.1351 0.1016)
OKLCH	oklch(55.43% 0.169 143.1)
XYZ	xyz(9.9274, 18.5769, 4.5011)
Luminance	0.1858 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F8A21 #8A1F88

analogous

#538A1F #1F8A21 #1F8A56

triadic

#1F8A21 #211F8A #8A211F

tetradic

#1F8A21 #1F538A #8A1F88 #8A561F

square

#1F8A21 #1F538A #8A1F88 #8A561F

split-complementary

#1F8A21 #561F8A #8A1F53

monochromatic

#092609 #145815 #1F8A21 #2ABC2D #4CD74F

Accessibility & contrast

On white

4.45

#1F8A21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#1F8A21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F8A21

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F8A21	#FFFFFF	#000000	##000000
##1F8A21	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7C0C

Deuteranopia (green-blind)

#81742C

Tritanopia (blue-blind)

#008676

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #1f8a21;
/* rgb */ color: rgb(31, 138, 33);
/* oklch */ color: oklch(55.4% 0.169 143.1);

Tailwind

colors: {
  custom: {
    50: '#6ead64',
    500: '#1f8a21',
    950: '#000000',
  },
}

SCSS

$custom: #1f8a21;
$custom-light: #6ead64;
$custom-dark: #000000;

JSON

{
  "hex": "#1f8a21",
  "rgb": {
    "r": 31,
    "g": 138,
    "b": 33
  },
  "hsl": {
    "h": 121.121,
    "s": 63.314,
    "l": 33.137
  },
  "oklch": {
    "l": 0.55426,
    "c": 0.16908,
    "h": 143.1
  },
  "luminance": 0.18578
}

Semantic roles & 50–950 ramp

primary

#1F8A21

secondary

#BA4BB8

accent

#41E3E6

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081006

muted

#7B7F7A

Preview Lab

Preview with #1F8A21

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

Preview Lab → · Contrast checker → · Palette generator →