#4FA921#4FA921

#4FA921 is a light, vivid yellow-green. Relative luminance 0.301; OKLCH L 65.4% C 0.187 H 137.7°. Best body text is #000000 at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#4FA921
RGB	rgb(79, 169, 33)
HSL	hsl(100, 67%, 40%)
HSV	hsv(100, 80%, 66%)
CMYK	cmyk(53.3%, 0%, 80.5%, 33.7%)
CIE-LAB	lab(61.78, -49.81, 56.65)
CIE-LCH	lch(61.78, 75.43, 131.32°)
OKLab	oklab(65.4% -0.138 0.1255)
OKLCH	oklch(65.4% 0.187 137.7)
XYZ	xyz(17.6863, 30.1466, 6.3254)
Luminance	0.3015 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FA921 #7B21A9

analogous

#93A921 #4FA921 #21A937

triadic

#4FA921 #214FA9 #A9214F

tetradic

#4FA921 #2193A9 #7B21A9 #A93721

square

#4FA921 #2193A9 #7B21A9 #A93721

split-complementary

#4FA921 #3721A9 #A92193

monochromatic

#1F430D #377617 #4FA921 #69D731 #8EE164

Accessibility & contrast

On white

2.99

#4FA921 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.03

#4FA921 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FA921

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FA921	#FFFFFF	#000000	##000000
##4FA921	1.00	2.99	7.03	7.03
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.03	21.00	1.00	1.00
##000000	7.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AF9A00

Deuteranopia (green-blind)

#A39231

Tritanopia (blue-blind)

#48A390

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #4fa921;
/* rgb */ color: rgb(79, 169, 33);
/* oklch */ color: oklch(65.4% 0.187 137.7);

Tailwind

colors: {
  custom: {
    50: '#8ac368',
    500: '#4fa921',
    950: '#000000',
  },
}

SCSS

$custom: #4fa921;
$custom-light: #8ac368;
$custom-dark: #000000;

JSON

{
  "hex": "#4fa921",
  "rgb": {
    "r": 79,
    "g": 169,
    "b": 33
  },
  "hsl": {
    "h": 99.706,
    "s": 67.327,
    "l": 39.608
  },
  "oklch": {
    "l": 0.65404,
    "c": 0.18655,
    "h": 137.7
  },
  "luminance": 0.30148
}

Semantic roles & 50–950 ramp

primary

#4FA921

secondary

#A360C6

accent

#3EEAB0

background

#F9FCF6

surface

#F1F8EB

border

#CBD1C6

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #4FA921

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

Preview Lab → · Contrast checker → · Palette generator →