#FFFF78#FFFF78

#FFFF78 is a very light, vivid yellow. Relative luminance 0.941; OKLCH L 97.4% C 0.157 H 109.0°. Best body text is #000000 at 19.83:1 contrast (WCAG AA passes).

Color values

HEX	#FFFF78
RGB	rgb(255, 255, 120)
HSL	hsl(60, 100%, 74%)
HSV	hsv(60, 53%, 100%)
CMYK	cmyk(0%, 0%, 52.9%, 0%)
CIE-LAB	lab(97.69, -17.18, 63.46)
CIE-LCH	lch(97.69, 65.74, 105.15°)
OKLab	oklab(97.41% -0.0509 0.148)
OKLCH	oklch(97.41% 0.157 109)
XYZ	xyz(80.3922, 94.1381, 31.7013)
Luminance	0.9414 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFFF78 #7878FF

analogous

#FFBB78 #FFFF78 #BBFF78

triadic

#FFFF78 #78FFFF #FF78FF

tetradic

#FFFF78 #78FFBB #7878FF #FF78BB

square

#FFFF78 #78FFBB #7878FF #FF78BB

split-complementary

#FFFF78 #78BBFF #BB78FF

monochromatic

#FDFD00 #FFFF3B #FFFF78 #FFFFB5 #FFFFE0

Accessibility & contrast

On white

1.06

#FFFF78 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.83

#FFFF78 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFFF78

19.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFFF78	#FFFFFF	#000000	##000000
##FFFF78	1.00	1.06	19.83	19.83
#FFFFFF	1.06	1.00	21.00	21.00
#000000	19.83	21.00	1.00	1.00
##000000	19.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF66B

Deuteranopia (green-blind)

#FFFB7F

Tritanopia (blue-blind)

#FFF1E1

Achromatopsia (no color)

#F8F8F8

Design tokens & code

CSS

--color: #ffff78;
/* rgb */ color: rgb(255, 255, 120);
/* oklch */ color: oklch(97.4% 0.157 109.0);

Tailwind

colors: {
  custom: {
    50: '#ffffa3',
    500: '#ffff78',
    950: '#000000',
  },
}

SCSS

$custom: #ffff78;
$custom-light: #ffffa3;
$custom-dark: #000000;

JSON

{
  "hex": "#ffff78",
  "rgb": {
    "r": 255,
    "g": 255,
    "b": 120
  },
  "hsl": {
    "h": 60,
    "s": 100,
    "l": 73.529
  },
  "oklch": {
    "l": 0.97411,
    "c": 0.15656,
    "h": 109
  },
  "luminance": 0.94136
}

Semantic roles & 50–950 ramp

primary

#FFFF78

secondary

#3E3EDD

accent

#00E600

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#18170F

muted

#868580

Preview Lab

Preview with #FFFF78

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

Preview Lab → · Contrast checker → · Palette generator →