#78DE42#78DE42

#78DE42 is a light, highly saturated yellow-green. Relative luminance 0.566; OKLCH L 80.9% C 0.212 H 136.9°. Best body text is #000000 at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#78DE42
RGB	rgb(120, 222, 66)
HSL	hsl(99, 70%, 56%)
HSV	hsv(99, 70%, 87%)
CMYK	cmyk(45.9%, 0%, 70.3%, 12.9%)
CIE-LAB	lab(79.97, -55.79, 63.93)
CIE-LCH	lch(79.97, 84.85, 131.11°)
OKLab	oklab(80.87% -0.1547 0.1448)
OKLCH	oklch(80.87% 0.212 136.9)
XYZ	xyz(34.8493, 56.6267, 14.2469)
Luminance	0.5663 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78DE42 #A842DE

analogous

#C6DE42 #78DE42 #42DE5A

triadic

#78DE42 #4278DE #DE4278

tetradic

#78DE42 #42C6DE #A842DE #DE5A42

square

#78DE42 #42C6DE #A842DE #DE5A42

split-complementary

#78DE42 #5A42DE #DE42C6

monochromatic

#418D19 #59C122 #78DE42 #9DE776 #C2F0AA

Accessibility & contrast

On white

1.70

#78DE42 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.33

#78DE42 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78DE42

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78DE42	#FFFFFF	#000000	##000000
##78DE42	1.00	1.70	12.33	12.33
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.33	21.00	1.00	1.00
##000000	12.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CC28

Deuteranopia (green-blind)

#D8C351

Tritanopia (blue-blind)

#73D6BF

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #78de42;
/* rgb */ color: rgb(120, 222, 66);
/* oklch */ color: oklch(80.9% 0.212 136.9);

Tailwind

colors: {
  custom: {
    50: '#a7e97f',
    500: '#78de42',
    950: '#000000',
  },
}

SCSS

$custom: #78de42;
$custom-light: #a7e97f;
$custom-dark: #000000;

JSON

{
  "hex": "#78de42",
  "rgb": {
    "r": 120,
    "g": 222,
    "b": 66
  },
  "hsl": {
    "h": 99.231,
    "s": 70.27,
    "l": 56.471
  },
  "oklch": {
    "l": 0.80868,
    "c": 0.21192,
    "h": 136.9
  },
  "luminance": 0.56629
}

Semantic roles & 50–950 ramp

primary

#78DE42

secondary

#713292

accent

#3BEDAF

background

#FDFEFB

surface

#F7FDF2

border

#D0D5CC

text

#10160B

muted

#81847E

Preview Lab

Preview with #78DE42

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

Preview Lab → · Contrast checker → · Palette generator →