#78C342#78C342

#78C342 is a light, vivid yellow-green. Relative luminance 0.434; OKLCH L 74.2% C 0.178 H 134.6°. Best body text is #000000 at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#78C342
RGB	rgb(120, 195, 66)
HSL	hsl(95, 52%, 51%)
HSV	hsv(95, 66%, 76%)
CMYK	cmyk(38.5%, 0%, 66.2%, 23.5%)
CIE-LAB	lab(71.84, -44.95, 55.43)
CIE-LCH	lch(71.84, 71.37, 129.04°)
OKLab	oklab(74.21% -0.1253 0.127)
OKLCH	oklch(74.21% 0.178 134.6)
XYZ	xyz(28.2436, 43.4153, 12.0450)
Luminance	0.4342 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78C342 #8D42C3

analogous

#B8C342 #78C342 #42C34C

triadic

#78C342 #4278C3 #C34278

tetradic

#78C342 #42B8C3 #8D42C3 #C34C42

square

#78C342 #42B8C3 #8D42C3 #C34C42

split-complementary

#78C342 #4C42C3 #C342B8

monochromatic

#3F6921 #5B9830 #78C342 #99D270 #BAE09F

Accessibility & contrast

On white

2.17

#78C342 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.68

#78C342 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78C342

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78C342	#FFFFFF	#000000	##000000
##78C342	1.00	2.17	9.68	9.68
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.68	21.00	1.00	1.00
##000000	9.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB431

Deuteranopia (green-blind)

#C0AE4D

Tritanopia (blue-blind)

#77BCA9

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #78c342;
/* rgb */ color: rgb(120, 195, 66);
/* oklch */ color: oklch(74.2% 0.178 134.6);

Tailwind

colors: {
  custom: {
    50: '#a4d57d',
    500: '#78c342',
    950: '#000000',
  },
}

SCSS

$custom: #78c342;
$custom-light: #a4d57d;
$custom-dark: #000000;

JSON

{
  "hex": "#78c342",
  "rgb": {
    "r": 120,
    "g": 195,
    "b": 66
  },
  "hsl": {
    "h": 94.884,
    "s": 51.807,
    "l": 51.176
  },
  "oklch": {
    "l": 0.74205,
    "c": 0.17839,
    "h": 134.6
  },
  "luminance": 0.43417
}

Semantic roles & 50–950 ramp

primary

#78C342

secondary

#B594CD

accent

#4DDBA0

background

#FAFDF7

surface

#F4FAEE

border

#CED3C9

text

#10140A

muted

#7F837C

Preview Lab

Preview with #78C342

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

Preview Lab → · Contrast checker → · Palette generator →