#78CE39#78CE39

#78CE39 is a light, vivid yellow-green. Relative luminance 0.484; OKLCH L 76.9% C 0.198 H 135.0°. Best body text is #000000 at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#78CE39
RGB	rgb(120, 206, 57)
HSL	hsl(95, 60%, 52%)
HSV	hsv(95, 72%, 81%)
CMYK	cmyk(41.7%, 0%, 72.3%, 19.2%)
CIE-LAB	lab(75.09, -50.13, 62.23)
CIE-LCH	lch(75.09, 79.91, 128.86°)
OKLab	oklab(76.85% -0.14 0.14)
OKLCH	oklch(76.85% 0.198 135)
XYZ	xyz(30.5549, 48.4294, 11.6079)
Luminance	0.4843 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78CE39 #8F39CE

analogous

#C3CE39 #78CE39 #39CE45

triadic

#78CE39 #3978CE #CE3978

tetradic

#78CE39 #39C3CE #8F39CE #CE4539

square

#78CE39 #39C3CE #8F39CE #CE4539

split-complementary

#78CE39 #4539CE #CE39C3

monochromatic

#40711C #5CA228 #78CE39 #99DA6A #BBE69B

Accessibility & contrast

On white

1.97

#78CE39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.69

#78CE39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78CE39

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78CE39	#FFFFFF	#000000	##000000
##78CE39	1.00	1.97	10.69	10.69
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.69	21.00	1.00	1.00
##000000	10.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BD1D

Deuteranopia (green-blind)

#CAB648

Tritanopia (blue-blind)

#76C6B1

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #78ce39;
/* rgb */ color: rgb(120, 206, 57);
/* oklch */ color: oklch(76.9% 0.198 135.0);

Tailwind

colors: {
  custom: {
    50: '#a6dd79',
    500: '#78ce39',
    950: '#000000',
  },
}

SCSS

$custom: #78ce39;
$custom-light: #a6dd79;
$custom-dark: #000000;

JSON

{
  "hex": "#78ce39",
  "rgb": {
    "r": 120,
    "g": 206,
    "b": 57
  },
  "hsl": {
    "h": 94.631,
    "s": 60.324,
    "l": 51.569
  },
  "oklch": {
    "l": 0.76852,
    "c": 0.19802,
    "h": 135
  },
  "luminance": 0.48431
}

Semantic roles & 50–950 ramp

primary

#78CE39

secondary

#B691D2

accent

#44E3A0

background

#FAFDF7

surface

#F4FBEE

border

#CED4C9

text

#10150A

muted

#7F837C

Preview Lab

Preview with #78CE39

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

Preview Lab → · Contrast checker → · Palette generator →