#78CF40#78CF40

#78CF40 is a light, vivid yellow-green. Relative luminance 0.490; OKLCH L 77.2% C 0.195 H 135.6°. Best body text is #000000 at 10.80:1 contrast (WCAG AA passes).

Color values

HEX#78CF40
RGBrgb(120, 207, 64)
HSLhsl(97, 60%, 53%)
HSVhsv(97, 69%, 81%)
CMYKcmyk(42%, 0%, 69.1%, 18.8%)
CIE-LABlab(75.44, -50.04, 60.01)
CIE-LCHlch(75.44, 78.14, 129.82°)
OKLaboklab(77.15% -0.1393 0.1363)
OKLCHoklch(77.15% 0.195 135.6)
XYZxyz(30.9832, 48.9871, 12.6724)
Luminance0.4899 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#78CF40 #9740CF
analogous
#C0CF40 #78CF40 #40CF4F
triadic
#78CF40 #4078CF #CF4078
tetradic
#78CF40 #40C0CF #9740CF #CF4F40
square
#78CF40 #40C0CF #9740CF #CF4F40
split-complementary
#78CF40 #4F40CF #CF40C0
monochromatic
#41771E #5BA82A #78CF40 #9BDB71 #BDE8A2

Accessibility & contrast

On white

1.94
#78CF40 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.80
#78CF40 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #78CF40
10.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##78CF40#FFFFFF#000000##000000
##78CF401.001.9410.8010.80
#FFFFFF1.941.0021.0021.00
#00000010.8021.001.001.00
##00000010.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#D6BE2A
Deuteranopia (green-blind)
#CBB74D
Tritanopia (blue-blind)
#75C7B2
Achromatopsia (no color)
#BABABA

Design tokens & code

CSS
--color: #78cf40;
/* rgb */ color: rgb(120, 207, 64);
/* oklch */ color: oklch(77.2% 0.195 135.6);
Tailwind
colors: {
  custom: {
    50: '#a5de7d',
    500: '#78cf40',
    950: '#000000',
  },
}
SCSS
$custom: #78cf40;
$custom-light: #a5de7d;
$custom-dark: #000000;
JSON
{
  "hex": "#78cf40",
  "rgb": {
    "r": 120,
    "g": 207,
    "b": 64
  },
  "hsl": {
    "h": 96.503,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.77152,
    "c": 0.1949,
    "h": 135.6
  },
  "luminance": 0.48989
}

Semantic roles & 50–950 ramp

primary
#78CF40
secondary
#BC97D4
accent
#45E3A5
background
#FAFDF7
surface
#F4FBEE
border
#CED4C9
text
#10150A
muted
#7F837C

Preview Lab

Preview with #78CF40

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

Preview Lab → · Contrast checker → · Palette generator →

#78CF40 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva