#FFEF78#FFEF78

#FFEF78 is a very light, vivid yellow. Relative luminance 0.843; OKLCH L 94.2% C 0.141 H 101.7°. Best body text is #000000 at 17.87:1 contrast (WCAG AA passes).

Color values

HEX	#FFEF78
RGB	rgb(255, 239, 120)
HSL	hsl(53, 100%, 74%)
HSV	hsv(53, 53%, 100%)
CMYK	cmyk(0%, 6.3%, 52.9%, 0%)
CIE-LAB	lab(93.60, -9.37, 58.73)
CIE-LCH	lch(93.60, 59.47, 99.06°)
OKLab	oklab(94.16% -0.0286 0.1378)
OKLCH	oklch(94.16% 0.141 101.7)
XYZ	xyz(75.4991, 84.3518, 30.0702)
Luminance	0.8435 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFEF78 #7888FF

analogous

#FFAB78 #FFEF78 #CBFF78

triadic

#FFEF78 #78FFEF #EF78FF

tetradic

#FFEF78 #78FFAB #7888FF #FF78CB

square

#FFEF78 #78FFAB #7888FF #FF78CB

split-complementary

#FFEF78 #78CBFF #AB78FF

monochromatic

#FDDF00 #FFE83B #FFEF78 #FFF6B5 #FFFBE0

Accessibility & contrast

On white

1.18

#FFEF78 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.87

#FFEF78 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFEF78

17.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFEF78	#FFFFFF	#000000	##000000
##FFEF78	1.00	1.18	17.87	17.87
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.87	21.00	1.00	1.00
##000000	17.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE96D

Deuteranopia (green-blind)

#FFF07E

Tritanopia (blue-blind)

#FFE1D4

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #ffef78;
/* rgb */ color: rgb(255, 239, 120);
/* oklch */ color: oklch(94.2% 0.141 101.7);

Tailwind

colors: {
  custom: {
    50: '#fff4a2',
    500: '#ffef78',
    950: '#000000',
  },
}

SCSS

$custom: #ffef78;
$custom-light: #fff4a2;
$custom-dark: #000000;

JSON

{
  "hex": "#ffef78",
  "rgb": {
    "r": 255,
    "g": 239,
    "b": 120
  },
  "hsl": {
    "h": 52.889,
    "s": 100,
    "l": 73.529
  },
  "oklch": {
    "l": 0.94163,
    "c": 0.14076,
    "h": 101.7
  },
  "luminance": 0.84349
}

Semantic roles & 50–950 ramp

primary

#FFEF78

secondary

#3E51DD

accent

#1BE600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #FFEF78

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

Preview Lab → · Contrast checker → · Palette generator →