#4FA821#4FA821

#4FA821 is a light, vivid yellow-green. Relative luminance 0.298; OKLCH L 65.1% C 0.185 H 137.7°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#4FA821
RGB	rgb(79, 168, 33)
HSL	hsl(100, 67%, 39%)
HSV	hsv(100, 80%, 66%)
CMYK	cmyk(53%, 0%, 80.4%, 34.1%)
CIE-LAB	lab(61.46, -49.43, 56.35)
CIE-LCH	lch(61.46, 74.95, 131.26°)
OKLab	oklab(65.14% -0.137 0.1249)
OKLCH	oklch(65.14% 0.185 137.7)
XYZ	xyz(17.5010, 29.7760, 6.2637)
Luminance	0.2978 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FA821 #7A21A8

analogous

#92A821 #4FA821 #21A837

triadic

#4FA821 #214FA8 #A8214F

tetradic

#4FA821 #2192A8 #7A21A8 #A83721

square

#4FA821 #2192A8 #7A21A8 #A83721

split-complementary

#4FA821 #3721A8 #A82192

monochromatic

#1F420D #377517 #4FA821 #69D630 #8EE063

Accessibility & contrast

On white

3.02

#4FA821 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.96

#4FA821 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4FA821

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FA821	#FFFFFF	#000000	##000000
##4FA821	1.00	3.02	6.96	6.96
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.96	21.00	1.00	1.00
##000000	6.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AE9900

Deuteranopia (green-blind)

#A29231

Tritanopia (blue-blind)

#48A28F

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #4fa821;
/* rgb */ color: rgb(79, 168, 33);
/* oklch */ color: oklch(65.1% 0.185 137.7);

Tailwind

colors: {
  custom: {
    50: '#8ac368',
    500: '#4fa821',
    950: '#000000',
  },
}

SCSS

$custom: #4fa821;
$custom-light: #8ac368;
$custom-dark: #000000;

JSON

{
  "hex": "#4fa821",
  "rgb": {
    "r": 79,
    "g": 168,
    "b": 33
  },
  "hsl": {
    "h": 99.556,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.6514,
    "c": 0.18537,
    "h": 137.7
  },
  "luminance": 0.29777
}

Semantic roles & 50–950 ramp

primary

#4FA821

secondary

#A35FC5

accent

#3EEAAF

background

#F8FCF6

surface

#F0F8EB

border

#CBD1C6

text

#0D1207

muted

#7D817A

Preview Lab

Preview with #4FA821

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

Preview Lab → · Contrast checker → · Palette generator →