#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
RGBrgb(79, 166, 33)
HSLhsl(99, 67%, 39%)
HSVhsv(99, 80%, 65%)
CMYKcmyk(52.4%, 0%, 80.1%, 34.9%)
CIE-LABlab(60.82, -48.66, 55.75)
CIE-LCHlch(60.82, 74.00, 131.12°)
OKLaboklab(64.61% -0.135 0.1236)
OKLCHoklch(64.61% 0.183 137.5)
XYZxyz(17.1346, 29.0432, 6.1415)
Luminance0.2904 (WCAG relative)
Temperaturewarm
Familyyellow-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
##4FA6211.003.086.816.81
#FFFFFF3.081.0021.0021.00
#0000006.8121.001.001.00
##0000006.8121.001.001.00

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 →

#4FA621 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva