#78CC39#78CC39

#78CC39 is a light, vivid yellow-green. Relative luminance 0.475; OKLCH L 76.4% C 0.196 H 134.8°. Best body text is #000000 at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#78CC39
RGB	rgb(120, 204, 57)
HSL	hsl(94, 59%, 51%)
HSV	hsv(94, 72%, 80%)
CMYK	cmyk(41.2%, 0%, 72.1%, 20%)
CIE-LAB	lab(74.49, -49.33, 61.62)
CIE-LCH	lch(74.49, 78.93, 128.68°)
OKLab	oklab(76.36% -0.1378 0.1388)
OKLCH	oklch(76.36% 0.196 134.8)
XYZ	xyz(30.0765, 47.4726, 11.4485)
Luminance	0.4747 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78CC39 #8D39CC

analogous

#C1CC39 #78CC39 #39CC43

triadic

#78CC39 #3978CC #CC3978

tetradic

#78CC39 #39C1CC #8D39CC #CC4339

square

#78CC39 #39C1CC #8D39CC #CC4339

split-complementary

#78CC39 #4339CC #CC39C1

monochromatic

#3F6E1C #5B9F29 #78CC39 #99D96A #BAE59A

Accessibility & contrast

On white

2.00

#78CC39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.49

#78CC39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78CC39

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78CC39	#FFFFFF	#000000	##000000
##78CC39	1.00	2.00	10.49	10.49
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.49	21.00	1.00	1.00
##000000	10.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BC1E

Deuteranopia (green-blind)

#C8B547

Tritanopia (blue-blind)

#76C4AF

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #78cc39;
/* rgb */ color: rgb(120, 204, 57);
/* oklch */ color: oklch(76.4% 0.196 134.8);

Tailwind

colors: {
  custom: {
    50: '#a5dc79',
    500: '#78cc39',
    950: '#000000',
  },
}

SCSS

$custom: #78cc39;
$custom-light: #a5dc79;
$custom-dark: #000000;

JSON

{
  "hex": "#78cc39",
  "rgb": {
    "r": 120,
    "g": 204,
    "b": 57
  },
  "hsl": {
    "h": 94.286,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.76357,
    "c": 0.19559,
    "h": 134.8
  },
  "luminance": 0.47474
}

Semantic roles & 50–950 ramp

primary

#78CC39

secondary

#B590D1

accent

#46E29F

background

#FAFDF7

surface

#F4FBEE

border

#CED4C9

text

#10150A

muted

#7F837C

Preview Lab

Preview with #78CC39

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

Preview Lab → · Contrast checker → · Palette generator →