#FFF559#FFF559

#FFF559 is a very light, vivid yellow. Relative luminance 0.873; OKLCH L 95.1% C 0.171 H 105.7°. Best body text is #000000 at 18.46:1 contrast (WCAG AA passes).

Color values

HEX	#FFF559
RGB	rgb(255, 245, 89)
HSL	hsl(56, 100%, 67%)
HSV	hsv(56, 65%, 100%)
CMYK	cmyk(0%, 3.9%, 65.1%, 0%)
CIE-LAB	lab(94.86, -14.38, 73.23)
CIE-LCH	lch(94.86, 74.63, 101.11°)
OKLab	oklab(95.08% -0.0462 0.1649)
OKLCH	oklch(95.08% 0.171 105.7)
XYZ	xyz(75.6984, 87.2888, 22.3102)
Luminance	0.8729 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFF559 #5963FF

analogous

#FFA259 #FFF559 #B6FF59

triadic

#FFF559 #59FFF5 #F559FF

tetradic

#FFF559 #59FFA2 #5963FF #FF59B6

square

#FFF559 #59FFA2 #5963FF #FF59B6

split-complementary

#FFF559 #59B6FF #A259FF

monochromatic

#DED000 #FFF11C #FFF559 #FFF996 #FFFCD3

Accessibility & contrast

On white

1.14

#FFF559 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.46

#FFF559 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFF559

18.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFF559	#FFFFFF	#000000	##000000
##FFF559	1.00	1.14	18.46	18.46
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.46	21.00	1.00	1.00
##000000	18.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC44

Deuteranopia (green-blind)

#FFF363

Tritanopia (blue-blind)

#FFE5D5

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #fff559;
/* rgb */ color: rgb(255, 245, 89);
/* oklch */ color: oklch(95.1% 0.171 105.7);

Tailwind

colors: {
  custom: {
    50: '#fff88f',
    500: '#fff559',
    950: '#000000',
  },
}

SCSS

$custom: #fff559;
$custom-light: #fff88f;
$custom-dark: #000000;

JSON

{
  "hex": "#fff559",
  "rgb": {
    "r": 255,
    "g": 245,
    "b": 89
  },
  "hsl": {
    "h": 56.386,
    "s": 100,
    "l": 67.451
  },
  "oklch": {
    "l": 0.95075,
    "c": 0.17121,
    "h": 105.7
  },
  "luminance": 0.87286
}

Semantic roles & 50–950 ramp

primary

#FFF559

secondary

#2630D6

accent

#0EE600

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#19170D

muted

#87857F

Preview Lab

Preview with #FFF559

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

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