#21AF4B#21AF4B

#21AF4B is a light, vivid green. Relative luminance 0.315; OKLCH L 66.1% C 0.182 H 147.8°. Best body text is #000000 at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#21AF4B
RGB	rgb(33, 175, 75)
HSL	hsl(138, 68%, 41%)
HSV	hsv(138, 81%, 69%)
CMYK	cmyk(81.1%, 0%, 57.1%, 31.4%)
CIE-LAB	lab(62.92, -57.21, 40.64)
CIE-LCH	lch(62.92, 70.18, 144.61°)
OKLab	oklab(66.13% -0.1537 0.0968)
OKLCH	oklch(66.13% 0.182 147.8)
XYZ	xyz(17.2258, 31.4892, 11.8254)
Luminance	0.3149 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21AF4B #AF2185

analogous

#3EAF21 #21AF4B #21AF92

triadic

#21AF4B #4B21AF #AF4B21

tetradic

#21AF4B #213EAF #AF2185 #AF9221

square

#21AF4B #213EAF #AF2185 #AF9221

split-complementary

#21AF4B #9221AF #AF213E

monochromatic

#0E481F #177C35 #21AF4B #34D965 #68E38C

Accessibility & contrast

On white

2.88

#21AF4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.30

#21AF4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21AF4B

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21AF4B	#FFFFFF	#000000	##000000
##21AF4B	1.00	2.88	7.30	7.30
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.30	21.00	1.00	1.00
##000000	7.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B19F41

Deuteranopia (green-blind)

#A19453

Tritanopia (blue-blind)

#00AB99

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #21af4b;
/* rgb */ color: rgb(33, 175, 75);
/* oklch */ color: oklch(66.1% 0.182 147.8);

Tailwind

colors: {
  custom: {
    50: '#76c880',
    500: '#21af4b',
    950: '#000000',
  },
}

SCSS

$custom: #21af4b;
$custom-light: #76c880;
$custom-dark: #000000;

JSON

{
  "hex": "#21af4b",
  "rgb": {
    "r": 33,
    "g": 175,
    "b": 75
  },
  "hsl": {
    "h": 137.746,
    "s": 68.269,
    "l": 40.784
  },
  "oklch": {
    "l": 0.66131,
    "c": 0.18162,
    "h": 147.8
  },
  "luminance": 0.31491
}

Semantic roles & 50–950 ramp

primary

#21AF4B

secondary

#C864AA

accent

#3DB8EB

background

#F7FCF7

surface

#EEF8EE

border

#C9D1C9

text

#0A130A

muted

#7C827C

Preview Lab

Preview with #21AF4B

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

Preview Lab → · Contrast checker → · Palette generator →