#4FA621#4FA621

#4FA621 is a light, vivid yellow-green. Relative luminance 0.290; OKLCH L 64.6% C 0.183 H 137.5°. Best body text is #000000 at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#4FA621
RGB	rgb(79, 166, 33)
HSL	hsl(99, 67%, 39%)
HSV	hsv(99, 80%, 65%)
CMYK	cmyk(52.4%, 0%, 80.1%, 34.9%)
CIE-LAB	lab(60.82, -48.66, 55.75)
CIE-LCH	lch(60.82, 74.00, 131.12°)
OKLab	oklab(64.61% -0.135 0.1236)
OKLCH	oklch(64.61% 0.183 137.5)
XYZ	xyz(17.1346, 29.0432, 6.1415)
Luminance	0.2904 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FA621 #7821A6

analogous

#92A621 #4FA621 #21A636

triadic

#4FA621 #214FA6 #A6214F

tetradic

#4FA621 #2192A6 #7821A6 #A63621

square

#4FA621 #2192A6 #7821A6 #A63621

split-complementary

#4FA621 #3621A6 #A62192

monochromatic

#1E400D #377317 #4FA621 #68D62F #8DE062

Accessibility & contrast

On white

3.08

#4FA621 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.81

#4FA621 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4FA621

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FA621	#FFFFFF	#000000	##000000
##4FA621	1.00	3.08	6.81	6.81
#FFFFFF	3.08	1.00	21.00	21.00
#000000	6.81	21.00	1.00	1.00
##000000	6.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AC9700

Deuteranopia (green-blind)

#A09031

Tritanopia (blue-blind)

#49A08E

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #4fa621;
/* rgb */ color: rgb(79, 166, 33);
/* oklch */ color: oklch(64.6% 0.183 137.5);

Tailwind

colors: {
  custom: {
    50: '#89c168',
    500: '#4fa621',
    950: '#000000',
  },
}

SCSS

$custom: #4fa621;
$custom-light: #89c168;
$custom-dark: #000000;

JSON

{
  "hex": "#4fa621",
  "rgb": {
    "r": 79,
    "g": 166,
    "b": 33
  },
  "hsl": {
    "h": 99.248,
    "s": 66.834,
    "l": 39.02
  },
  "oklch": {
    "l": 0.64612,
    "c": 0.18302,
    "h": 137.5
  },
  "luminance": 0.29045
}

Semantic roles & 50–950 ramp

primary

#4FA621

secondary

#A15EC5

accent

#3EEAAE

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0D1207

muted

#7D817A

Preview Lab

Preview with #4FA621

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

Preview Lab → · Contrast checker → · Palette generator →