#4FCA21#4FCA21

#4FCA21 is a light, highly saturated green. Relative luminance 0.440; OKLCH L 74.0% C 0.224 H 139.4°. Best body text is #000000 at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#4FCA21
RGB	rgb(79, 202, 33)
HSL	hsl(104, 72%, 46%)
HSV	hsv(104, 84%, 79%)
CMYK	cmyk(60.9%, 0%, 83.7%, 20.8%)
CIE-LAB	lab(72.24, -61.61, 66.20)
CIE-LCH	lch(72.24, 90.43, 132.94°)
OKLab	oklab(74.04% -0.1697 0.1456)
OKLCH	oklch(74.04% 0.224 139.4)
XYZ	xyz(24.6184, 44.0108, 8.6361)
Luminance	0.4401 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FCA21 #9C21CA

analogous

#A3CA21 #4FCA21 #21CA48

triadic

#4FCA21 #214FCA #CA214F

tetradic

#4FCA21 #21A3CA #9C21CA #CA4821

square

#4FCA21 #21A3CA #9C21CA #CA4821

split-complementary

#4FCA21 #4821CA #CA21A3

monochromatic

#266110 #3A9518 #4FCA21 #71E147 #9AEA7C

Accessibility & contrast

On white

2.14

#4FCA21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.80

#4FCA21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FCA21

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FCA21	#FFFFFF	#000000	##000000
##4FCA21	1.00	2.14	9.80	9.80
#FFFFFF	2.14	1.00	21.00	21.00
#000000	9.80	21.00	1.00	1.00
##000000	9.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B700

Deuteranopia (green-blind)

#C1AD38

Tritanopia (blue-blind)

#3FC3AC

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #4fca21;
/* rgb */ color: rgb(79, 202, 33);
/* oklch */ color: oklch(74.0% 0.224 139.4);

Tailwind

colors: {
  custom: {
    50: '#8fdb6d',
    500: '#4fca21',
    950: '#000000',
  },
}

SCSS

$custom: #4fca21;
$custom-light: #8fdb6d;
$custom-dark: #000000;

JSON

{
  "hex": "#4fca21",
  "rgb": {
    "r": 79,
    "g": 202,
    "b": 33
  },
  "hsl": {
    "h": 103.669,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.74041,
    "c": 0.22354,
    "h": 139.4
  },
  "luminance": 0.44013
}

Semantic roles & 50–950 ramp

primary

#4FCA21

secondary

#B875D2

accent

#39EFBD

background

#F9FDF7

surface

#F2FBED

border

#CCD4C8

text

#0E1508

muted

#7E837B

Preview Lab

Preview with #4FCA21

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

Preview Lab → · Contrast checker → · Palette generator →