#C5EF78#C5EF78

#C5EF78 is a very light, vivid yellow-green. Relative luminance 0.750; OKLCH L 89.7% C 0.154 H 125.4°. Best body text is #000000 at 15.99:1 contrast (WCAG AA passes).

Color values

HEX#C5EF78
RGBrgb(197, 239, 120)
HSLhsl(81, 79%, 70%)
HSVhsv(81, 50%, 94%)
CMYKcmyk(17.6%, 0%, 49.8%, 6.3%)
CIE-LABlab(89.37, -31.85, 52.68)
CIE-LCHlch(89.37, 61.56, 121.16°)
OKLaboklab(89.74% -0.0892 0.1254)
OKLCHoklch(89.74% 0.154 125.4)
XYZxyz(57.2825, 74.9589, 29.2163)
Luminance0.7496 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C5EF78 #A278EF
analogous
#EFDD78 #C5EF78 #8AEF78
triadic
#C5EF78 #78C5EF #EF78C5
tetradic
#C5EF78 #78EFDD #A278EF #EF788A
square
#C5EF78 #78EFDD #A278EF #EF788A
split-complementary
#C5EF78 #788AEF #DD78EF
monochromatic
#92D419 #ADE941 #C5EF78 #DDF5AF #F3FCE4

Accessibility & contrast

On white

1.31
#C5EF78 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

15.99
#C5EF78 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5EF78
15.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C5EF78#FFFFFF#000000##000000
##C5EF781.001.3115.9915.99
#FFFFFF1.311.0021.0021.00
#00000015.9921.001.001.00
##00000015.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#FAE26D
Deuteranopia (green-blind)
#F4E07F
Tritanopia (blue-blind)
#CCE5D4
Achromatopsia (no color)
#E1E1E1

Design tokens & code

CSS
--color: #c5ef78;
/* rgb */ color: rgb(197, 239, 120);
/* oklch */ color: oklch(89.7% 0.154 125.4);
Tailwind
colors: {
  custom: {
    50: '#d9f4a1',
    500: '#c5ef78',
    950: '#000000',
  },
}
SCSS
$custom: #c5ef78;
$custom-light: #d9f4a1;
$custom-dark: #000000;
JSON
{
  "hex": "#c5ef78",
  "rgb": {
    "r": 197,
    "g": 239,
    "b": 120
  },
  "hsl": {
    "h": 81.176,
    "s": 78.808,
    "l": 70.392
  },
  "oklch": {
    "l": 0.89737,
    "c": 0.15392,
    "h": 125.4
  },
  "luminance": 0.74959
}

Semantic roles & 50–950 ramp

primary
#C5EF78
secondary
#7243C9
accent
#0ADB54
background
#FEFFFC
surface
#FCFEF5
border
#D5D6CF
text
#15170F
muted
#848580

Preview Lab

Preview with #C5EF78

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

Preview Lab → · Contrast checker → · Palette generator →

#C5EF78 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva