#78CF39#78CF39

#78CF39 is a light, vivid yellow-green. Relative luminance 0.489; OKLCH L 77.1% C 0.199 H 135.1°. Best body text is #000000 at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#78CF39
RGB	rgb(120, 207, 57)
HSL	hsl(95, 61%, 52%)
HSV	hsv(95, 72%, 81%)
CMYK	cmyk(42%, 0%, 72.5%, 18.8%)
CIE-LAB	lab(75.40, -50.53, 62.53)
CIE-LCH	lch(75.40, 80.40, 128.94°)
OKLab	oklab(77.1% -0.1411 0.1406)
OKLCH	oklch(77.1% 0.199 135.1)
XYZ	xyz(30.7964, 48.9124, 11.6884)
Luminance	0.4891 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78CF39 #9039CF

analogous

#C3CF39 #78CF39 #39CF45

triadic

#78CF39 #3978CF #CF3978

tetradic

#78CF39 #39C3CF #9039CF #CF4539

square

#78CF39 #39C3CF #9039CF #CF4539

split-complementary

#78CF39 #4539CF #CF39C3

monochromatic

#40721C #5CA328 #78CF39 #9ADB6A #BBE79C

Accessibility & contrast

On white

1.95

#78CF39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.78

#78CF39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78CF39

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78CF39	#FFFFFF	#000000	##000000
##78CF39	1.00	1.95	10.78	10.78
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.78	21.00	1.00	1.00
##000000	10.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BE1D

Deuteranopia (green-blind)

#CBB748

Tritanopia (blue-blind)

#76C7B2

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #78cf39;
/* rgb */ color: rgb(120, 207, 57);
/* oklch */ color: oklch(77.1% 0.199 135.1);

Tailwind

colors: {
  custom: {
    50: '#a6de79',
    500: '#78cf39',
    950: '#000000',
  },
}

SCSS

$custom: #78cf39;
$custom-light: #a6de79;
$custom-dark: #000000;

JSON

{
  "hex": "#78cf39",
  "rgb": {
    "r": 120,
    "g": 207,
    "b": 57
  },
  "hsl": {
    "h": 94.8,
    "s": 60.976,
    "l": 51.765
  },
  "oklch": {
    "l": 0.77099,
    "c": 0.19923,
    "h": 135.1
  },
  "luminance": 0.48914
}

Semantic roles & 50–950 ramp

primary

#78CF39

secondary

#B791D3

accent

#44E4A1

background

#FAFDF7

surface

#F4FBEE

border

#CED4C9

text

#10150A

muted

#7F837C

Preview Lab

Preview with #78CF39

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

Preview Lab → · Contrast checker → · Palette generator →