#78DD40#78DD40

#78DD40 is a light, highly saturated yellow-green. Relative luminance 0.561; OKLCH L 80.6% C 0.212 H 136.7°. Best body text is #000000 at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#78DD40
RGB	rgb(120, 221, 64)
HSL	hsl(99, 70%, 56%)
HSV	hsv(99, 71%, 87%)
CMYK	cmyk(45.7%, 0%, 71%, 13.3%)
CIE-LAB	lab(79.66, -55.55, 64.33)
CIE-LCH	lch(79.66, 85.00, 130.81°)
OKLab	oklab(80.61% -0.1542 0.1454)
OKLCH	oklch(80.61% 0.212 136.7)
XYZ	xyz(34.5266, 56.0739, 13.8535)
Luminance	0.5608 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#78DD40 #A540DD

analogous

#C6DD40 #78DD40 #40DD56

triadic

#78DD40 #4078DD #DD4078

tetradic

#78DD40 #40C6DD #A540DD #DD5640

square

#78DD40 #40C6DD #A540DD #DD5640

split-complementary

#78DD40 #5640DD #DD40C6

monochromatic

#418A19 #5ABE22 #78DD40 #9DE674 #C1EFA8

Accessibility & contrast

On white

1.72

#78DD40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.22

#78DD40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78DD40

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##78DD40	#FFFFFF	#000000	##000000
##78DD40	1.00	1.72	12.22	12.22
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.22	21.00	1.00	1.00
##000000	12.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CB25

Deuteranopia (green-blind)

#D7C24F

Tritanopia (blue-blind)

#73D5BE

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #78dd40;
/* rgb */ color: rgb(120, 221, 64);
/* oklch */ color: oklch(80.6% 0.212 136.7);

Tailwind

colors: {
  custom: {
    50: '#a7e87e',
    500: '#78dd40',
    950: '#000000',
  },
}

SCSS

$custom: #78dd40;
$custom-light: #a7e87e;
$custom-dark: #000000;

JSON

{
  "hex": "#78dd40",
  "rgb": {
    "r": 120,
    "g": 221,
    "b": 64
  },
  "hsl": {
    "h": 98.599,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.80606,
    "c": 0.21193,
    "h": 136.7
  },
  "luminance": 0.56076
}

Semantic roles & 50–950 ramp

primary

#78DD40

secondary

#6E3190

accent

#3BEDAD

background

#FDFEFB

surface

#F7FDF2

border

#D0D5CC

text

#10160B

muted

#81847E

Preview Lab

Preview with #78DD40

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

Preview Lab → · Contrast checker → · Palette generator →