#4EA421#4EA421

#4EA421 is a light, vivid yellow-green. Relative luminance 0.283; OKLCH L 64.0% C 0.181 H 137.5°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#4EA421
RGB	rgb(78, 164, 33)
HSL	hsl(99, 66%, 39%)
HSV	hsv(99, 80%, 64%)
CMYK	cmyk(52.4%, 0%, 79.9%, 35.7%)
CIE-LAB	lab(60.14, -48.19, 55.10)
CIE-LCH	lch(60.14, 73.20, 131.18°)
OKLab	oklab(64.04% -0.1336 0.1223)
OKLCH	oklch(64.04% 0.181 137.5)
XYZ	xyz(16.6913, 28.2792, 6.0174)
Luminance	0.2828 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EA421 #7721A4

analogous

#8FA421 #4EA421 #21A435

triadic

#4EA421 #214EA4 #A4214E

tetradic

#4EA421 #218FA4 #7721A4 #A43521

square

#4EA421 #218FA4 #7721A4 #A43521

split-complementary

#4EA421 #3521A4 #A4218F

monochromatic

#1E3E0C #367117 #4EA421 #67D52D #8CDF60

Accessibility & contrast

On white

3.16

#4EA421 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#4EA421 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4EA421

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EA421	#FFFFFF	#000000	##000000
##4EA421	1.00	3.16	6.66	6.66
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A99500

Deuteranopia (green-blind)

#9E8E30

Tritanopia (blue-blind)

#489E8C

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #4ea421;
/* rgb */ color: rgb(78, 164, 33);
/* oklch */ color: oklch(64.0% 0.181 137.5);

Tailwind

colors: {
  custom: {
    50: '#89c068',
    500: '#4ea421',
    950: '#000000',
  },
}

SCSS

$custom: #4ea421;
$custom-light: #89c068;
$custom-dark: #000000;

JSON

{
  "hex": "#4ea421",
  "rgb": {
    "r": 78,
    "g": 164,
    "b": 33
  },
  "hsl": {
    "h": 99.389,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.64041,
    "c": 0.18112,
    "h": 137.5
  },
  "luminance": 0.2828
}

Semantic roles & 50–950 ramp

primary

#4EA421

secondary

#A15DC4

accent

#3EE9AF

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0C1207

muted

#7D817A

Preview Lab

Preview with #4EA421

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

Preview Lab → · Contrast checker → · Palette generator →