#4FB421#4FB421

#4FB421 is a light, vivid green. Relative luminance 0.344; OKLCH L 68.3% C 0.199 H 138.4°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#4FB421
RGB	rgb(79, 180, 33)
HSL	hsl(101, 69%, 42%)
HSV	hsv(101, 82%, 71%)
CMYK	cmyk(56.1%, 0%, 81.7%, 29.4%)
CIE-LAB	lab(65.29, -53.89, 59.89)
CIE-LCH	lch(65.29, 80.57, 131.98°)
OKLab	oklab(68.3% -0.149 0.1323)
OKLCH	oklch(68.3% 0.199 138.4)
XYZ	xyz(19.8195, 34.4129, 7.0365)
Luminance	0.3442 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FB421 #8621B4

analogous

#99B421 #4FB421 #21B43C

triadic

#4FB421 #214FB4 #B4214F

tetradic

#4FB421 #2199B4 #8621B4 #B43C21

square

#4FB421 #2199B4 #8621B4 #B43C21

split-complementary

#4FB421 #3C21B4 #B42199

monochromatic

#224D0E #388018 #4FB421 #6BDA38 #91E46B

Accessibility & contrast

On white

2.66

#4FB421 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#4FB421 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB421

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FB421	#FFFFFF	#000000	##000000
##4FB421	1.00	2.66	7.88	7.88
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.88	21.00	1.00	1.00
##000000	7.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA400

Deuteranopia (green-blind)

#AD9B33

Tritanopia (blue-blind)

#46AE99

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #4fb421;
/* rgb */ color: rgb(79, 180, 33);
/* oklch */ color: oklch(68.3% 0.199 138.4);

Tailwind

colors: {
  custom: {
    50: '#8ccb6a',
    500: '#4fb421',
    950: '#000000',
  },
}

SCSS

$custom: #4fb421;
$custom-light: #8ccb6a;
$custom-dark: #000000;

JSON

{
  "hex": "#4fb421",
  "rgb": {
    "r": 79,
    "g": 180,
    "b": 33
  },
  "hsl": {
    "h": 101.224,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.68298,
    "c": 0.19924,
    "h": 138.4
  },
  "luminance": 0.34415
}

Semantic roles & 50–950 ramp

primary

#4FB421

secondary

#AB67CA

accent

#3CECB5

background

#F9FCF6

surface

#F1F9EC

border

#CBD2C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #4FB421

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

Preview Lab → · Contrast checker → · Palette generator →