#FFF557#FFF557

#FFF557 is a very light, vivid yellow. Relative luminance 0.873; OKLCH L 95.1% C 0.173 H 105.7°. Best body text is #000000 at 18.45:1 contrast (WCAG AA passes).

Color values

HEX	#FFF557
RGB	rgb(255, 245, 87)
HSL	hsl(56, 100%, 67%)
HSV	hsv(56, 66%, 100%)
CMYK	cmyk(0%, 3.9%, 65.9%, 0%)
CIE-LAB	lab(94.85, -14.49, 73.98)
CIE-LCH	lch(94.85, 75.39, 101.08°)
OKLab	oklab(95.06% -0.0467 0.1661)
OKLCH	oklch(95.06% 0.173 105.7)
XYZ	xyz(75.6156, 87.2556, 21.8739)
Luminance	0.8725 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFF557 #5761FF

analogous

#FFA157 #FFF557 #B5FF57

triadic

#FFF557 #57FFF5 #F557FF

tetradic

#FFF557 #57FFA1 #5761FF #FF57B5

square

#FFF557 #57FFA1 #5761FF #FF57B5

split-complementary

#FFF557 #57B5FF #A157FF

monochromatic

#DCCF00 #FFF11A #FFF557 #FFF994 #FFFCD1

Accessibility & contrast

On white

1.14

#FFF557 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.45

#FFF557 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFF557

18.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFF557	#FFFFFF	#000000	##000000
##FFF557	1.00	1.14	18.45	18.45
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.45	21.00	1.00	1.00
##000000	18.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC41

Deuteranopia (green-blind)

#FFF361

Tritanopia (blue-blind)

#FFE5D5

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #fff557;
/* rgb */ color: rgb(255, 245, 87);
/* oklch */ color: oklch(95.1% 0.173 105.7);

Tailwind

colors: {
  custom: {
    50: '#fff88e',
    500: '#fff557',
    950: '#000000',
  },
}

SCSS

$custom: #fff557;
$custom-light: #fff88e;
$custom-dark: #000000;

JSON

{
  "hex": "#fff557",
  "rgb": {
    "r": 255,
    "g": 245,
    "b": 87
  },
  "hsl": {
    "h": 56.429,
    "s": 100,
    "l": 67.059
  },
  "oklch": {
    "l": 0.95059,
    "c": 0.17257,
    "h": 105.7
  },
  "luminance": 0.87253
}

Semantic roles & 50–950 ramp

primary

#FFF557

secondary

#2630D5

accent

#0EE600

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#19170D

muted

#87857F

Preview Lab

Preview with #FFF557

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

Preview Lab → · Contrast checker → · Palette generator →