#78DF39#78DF39

#78DF39 is a light, highly saturated yellow-green. Relative luminance 0.571; OKLCH L 81.1% C 0.218 H 136.4°. Best body text is #000000 at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#78DF39
RGB	rgb(120, 223, 57)
HSL	hsl(97, 72%, 55%)
HSV	hsv(97, 74%, 87%)
CMYK	cmyk(46.2%, 0%, 74.4%, 12.5%)
CIE-LAB	lab(80.21, -56.77, 67.29)
CIE-LCH	lch(80.21, 88.04, 130.16°)
OKLab	oklab(81.05% -0.158 0.1506)
OKLCH	oklch(81.05% 0.218 136.4)
XYZ	xyz(34.8710, 57.0616, 13.0466)
Luminance	0.5706 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78DF39 #A039DF

analogous

#CBDF39 #78DF39 #39DF4D

triadic

#78DF39 #3978DF #DF3978

tetradic

#78DF39 #39CBDF #A039DF #DF4D39

square

#78DF39 #39CBDF #A039DF #DF4D39

split-complementary

#78DF39 #4D39DF #DF39CB

monochromatic

#418816 #5ABC1E #78DF39 #9CE86E #C0F0A2

Accessibility & contrast

On white

1.69

#78DF39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.41

#78DF39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78DF39

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78DF39	#FFFFFF	#000000	##000000
##78DF39	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)

#E7CC14

Deuteranopia (green-blind)

#D9C44A

Tritanopia (blue-blind)

#73D7BF

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #78df39;
/* rgb */ color: rgb(120, 223, 57);
/* oklch */ color: oklch(81.1% 0.218 136.4);

Tailwind

colors: {
  custom: {
    50: '#a7ea7b',
    500: '#78df39',
    950: '#000000',
  },
}

SCSS

$custom: #78df39;
$custom-light: #a7ea7b;
$custom-dark: #000000;

JSON

{
  "hex": "#78df39",
  "rgb": {
    "r": 120,
    "g": 223,
    "b": 57
  },
  "hsl": {
    "h": 97.229,
    "s": 72.174,
    "l": 54.902
  },
  "oklch": {
    "l": 0.81052,
    "c": 0.21824,
    "h": 136.4
  },
  "luminance": 0.57064
}

Semantic roles & 50–950 ramp

primary

#78DF39

secondary

#6A2F8E

accent

#39EFAA

background

#FDFEFB

surface

#F7FDF2

border

#D0D5CC

text

#10160A

muted

#81847D

Preview Lab

Preview with #78DF39

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

Preview Lab → · Contrast checker → · Palette generator →