#78DF40#78DF40

#78DF40 is a light, highly saturated yellow-green. Relative luminance 0.571; OKLCH L 81.1% C 0.214 H 136.8°. Best body text is #000000 at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#78DF40
RGB	rgb(120, 223, 64)
HSL	hsl(99, 71%, 56%)
HSV	hsv(99, 71%, 87%)
CMYK	cmyk(46.2%, 0%, 71.3%, 12.5%)
CIE-LAB	lab(80.26, -56.32, 64.94)
CIE-LCH	lch(80.26, 85.96, 130.93°)
OKLab	oklab(81.1% -0.1563 0.1466)
OKLCH	oklch(81.1% 0.214 136.8)
XYZ	xyz(35.0578, 57.1363, 14.0306)
Luminance	0.5714 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78DF40 #A740DF

analogous

#C8DF40 #78DF40 #40DF58

triadic

#78DF40 #4078DF #DF4078

tetradic

#78DF40 #40C8DF #A740DF #DF5840

square

#78DF40 #40C8DF #A740DF #DF5840

split-complementary

#78DF40 #5840DF #DF40C8

monochromatic

#418D18 #59C120 #78DF40 #9DE874 #C2F1A9

Accessibility & contrast

On white

1.69

#78DF40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.43

#78DF40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78DF40

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78DF40	#FFFFFF	#000000	##000000
##78DF40	1.00	1.69	12.43	12.43
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.43	21.00	1.00	1.00
##000000	12.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CC24

Deuteranopia (green-blind)

#D9C44F

Tritanopia (blue-blind)

#73D7C0

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #78df40;
/* rgb */ color: rgb(120, 223, 64);
/* oklch */ color: oklch(81.1% 0.214 136.8);

Tailwind

colors: {
  custom: {
    50: '#a7ea7e',
    500: '#78df40',
    950: '#000000',
  },
}

SCSS

$custom: #78df40;
$custom-light: #a7ea7e;
$custom-dark: #000000;

JSON

{
  "hex": "#78df40",
  "rgb": {
    "r": 120,
    "g": 223,
    "b": 64
  },
  "hsl": {
    "h": 98.868,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.81099,
    "c": 0.21431,
    "h": 136.8
  },
  "luminance": 0.57139
}

Semantic roles & 50–950 ramp

primary

#78DF40

secondary

#703192

accent

#3AEEAF

background

#FDFEFB

surface

#F7FDF2

border

#D0D5CC

text

#10160B

muted

#81847E

Preview Lab

Preview with #78DF40

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

Preview Lab → · Contrast checker → · Palette generator →