#78DF37#78DF37

#78DF37 is a light, highly saturated yellow-green. Relative luminance 0.570; OKLCH L 81.0% C 0.219 H 136.3°. Best body text is #000000 at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#78DF37
RGB	rgb(120, 223, 55)
HSL	hsl(97, 72%, 55%)
HSV	hsv(97, 75%, 87%)
CMYK	cmyk(46.2%, 0%, 75.3%, 12.5%)
CIE-LAB	lab(80.20, -56.90, 67.92)
CIE-LCH	lch(80.20, 88.60, 129.95°)
OKLab	oklab(81.04% -0.1584 0.1516)
OKLCH	oklch(81.04% 0.219 136.3)
XYZ	xyz(34.8221, 57.0420, 12.7890)
Luminance	0.5704 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78DF37 #9E37DF

analogous

#CCDF37 #78DF37 #37DF4A

triadic

#78DF37 #3778DF #DF3778

tetradic

#78DF37 #37CCDF #9E37DF #DF4A37

square

#78DF37 #37CCDF #9E37DF #DF4A37

split-complementary

#78DF37 #4A37DF #DF37CC

monochromatic

#418615 #5BBB1E #78DF37 #9CE76C #BFF0A1

Accessibility & contrast

On white

1.69

#78DF37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.41

#78DF37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78DF37

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78DF37	#FFFFFF	#000000	##000000
##78DF37	1.00	1.69	12.41	12.41
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.41	21.00	1.00	1.00
##000000	12.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7CC0D

Deuteranopia (green-blind)

#D9C449

Tritanopia (blue-blind)

#73D7BF

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #78df37;
/* rgb */ color: rgb(120, 223, 55);
/* oklch */ color: oklch(81.0% 0.219 136.3);

Tailwind

colors: {
  custom: {
    50: '#a7ea7a',
    500: '#78df37',
    950: '#000000',
  },
}

SCSS

$custom: #78df37;
$custom-light: #a7ea7a;
$custom-dark: #000000;

JSON

{
  "hex": "#78df37",
  "rgb": {
    "r": 120,
    "g": 223,
    "b": 55
  },
  "hsl": {
    "h": 96.786,
    "s": 72.414,
    "l": 54.51
  },
  "oklch": {
    "l": 0.81039,
    "c": 0.21929,
    "h": 136.3
  },
  "luminance": 0.57044
}

Semantic roles & 50–950 ramp

primary

#78DF37

secondary

#682E8C

accent

#39EFA9

background

#FDFEFB

surface

#F7FDF2

border

#D0D5CC

text

#11160A

muted

#81847D

Preview Lab

Preview with #78DF37

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

Preview Lab → · Contrast checker → · Palette generator →