#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
RGB	rgb(197, 239, 120)
HSL	hsl(81, 79%, 70%)
HSV	hsv(81, 50%, 94%)
CMYK	cmyk(17.6%, 0%, 49.8%, 6.3%)
CIE-LAB	lab(89.37, -31.85, 52.68)
CIE-LCH	lch(89.37, 61.56, 121.16°)
OKLab	oklab(89.74% -0.0892 0.1254)
OKLCH	oklch(89.74% 0.154 125.4)
XYZ	xyz(57.2825, 74.9589, 29.2163)
Luminance	0.7496 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Light Yellowish Green

#C2FF89

ΔE00 4.29

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
##C5EF78	1.00	1.31	15.99	15.99
#FFFFFF	1.31	1.00	21.00	21.00
#000000	15.99	21.00	1.00	1.00
##000000	15.99	21.00	1.00	1.00

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 →