#78CB39#78CB39

#78CB39 is a light, vivid yellow-green. Relative luminance 0.470; OKLCH L 76.1% C 0.194 H 134.7°. Best body text is #000000 at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#78CB39
RGB	rgb(120, 203, 57)
HSL	hsl(94, 58%, 51%)
HSV	hsv(94, 72%, 80%)
CMYK	cmyk(40.9%, 0%, 71.9%, 20.4%)
CIE-LAB	lab(74.19, -48.92, 61.32)
CIE-LCH	lch(74.19, 78.44, 128.58°)
OKLab	oklab(76.11% -0.1367 0.1381)
OKLCH	oklch(76.11% 0.194 134.7)
XYZ	xyz(29.8396, 46.9988, 11.3695)
Luminance	0.4700 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78CB39 #8C39CB

analogous

#C1CB39 #78CB39 #39CB43

triadic

#78CB39 #3978CB #CB3978

tetradic

#78CB39 #39C1CB #8C39CB #CB4339

square

#78CB39 #39C1CB #8C39CB #CB4339

split-complementary

#78CB39 #4339CB #CB39C1

monochromatic

#3F6D1D #5B9D29 #78CB39 #99D869 #BAE49A

Accessibility & contrast

On white

2.02

#78CB39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.40

#78CB39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78CB39

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78CB39	#FFFFFF	#000000	##000000
##78CB39	1.00	2.02	10.40	10.40
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.40	21.00	1.00	1.00
##000000	10.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB1F

Deuteranopia (green-blind)

#C7B447

Tritanopia (blue-blind)

#76C3AF

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #78cb39;
/* rgb */ color: rgb(120, 203, 57);
/* oklch */ color: oklch(76.1% 0.194 134.7);

Tailwind

colors: {
  custom: {
    50: '#a5db78',
    500: '#78cb39',
    950: '#000000',
  },
}

SCSS

$custom: #78cb39;
$custom-light: #a5db78;
$custom-dark: #000000;

JSON

{
  "hex": "#78cb39",
  "rgb": {
    "r": 120,
    "g": 203,
    "b": 57
  },
  "hsl": {
    "h": 94.11,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.7611,
    "c": 0.19436,
    "h": 134.7
  },
  "luminance": 0.47
}

Semantic roles & 50–950 ramp

primary

#78CB39

secondary

#B490D0

accent

#46E29F

background

#FAFDF7

surface

#F4FBEE

border

#CED4C9

text

#10150A

muted

#7F837C

Preview Lab

Preview with #78CB39

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

Preview Lab → · Contrast checker → · Palette generator →