#F5F579#F5F579

#F5F579 is a very light, vivid yellow. Relative luminance 0.861; OKLCH L 94.6% C 0.146 H 108.9°. Best body text is #000000 at 18.22:1 contrast (WCAG AA passes).

Color values

HEX	#F5F579
RGB	rgb(245, 245, 121)
HSL	hsl(60, 86%, 72%)
HSV	hsv(60, 51%, 96%)
CMYK	cmyk(0%, 0%, 50.6%, 3.9%)
CIE-LAB	lab(94.35, -16.19, 58.95)
CIE-LCH	lch(94.35, 61.13, 105.35°)
OKLab	oklab(94.57% -0.0474 0.1386)
OKLCH	oklch(94.57% 0.146 108.9)
XYZ	xyz(73.7616, 86.0996, 30.8188)
Luminance	0.8610 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F5F579 #7979F5

analogous

#F5B779 #F5F579 #B7F579

triadic

#F5F579 #79F5F5 #F579F5

tetradic

#F5F579 #79F5B7 #7979F5 #F579B7

square

#F5F579 #79F5B7 #7979F5 #F579B7

split-complementary

#F5F579 #79B7F5 #B779F5

monochromatic

#E3E311 #F1F140 #F5F579 #F9F9B2 #FDFDE3

Accessibility & contrast

On white

1.15

#F5F579 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.22

#F5F579 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F5F579

18.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F5F579	#FFFFFF	#000000	##000000
##F5F579	1.00	1.15	18.22	18.22
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.22	21.00	1.00	1.00
##000000	18.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC6D

Deuteranopia (green-blind)

#FFF17F

Tritanopia (blue-blind)

#FFE8D9

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #f5f579;
/* rgb */ color: rgb(245, 245, 121);
/* oklch */ color: oklch(94.6% 0.146 108.9);

Tailwind

colors: {
  custom: {
    50: '#fbf8a3',
    500: '#f5f579',
    950: '#000000',
  },
}

SCSS

$custom: #f5f579;
$custom-light: #fbf8a3;
$custom-dark: #000000;

JSON

{
  "hex": "#f5f579",
  "rgb": {
    "r": 245,
    "g": 245,
    "b": 121
  },
  "hsl": {
    "h": 60,
    "s": 86.111,
    "l": 71.765
  },
  "oklch": {
    "l": 0.94572,
    "c": 0.14647,
    "h": 108.9
  },
  "luminance": 0.86098
}

Semantic roles & 50–950 ramp

primary

#F5F579

secondary

#4242D0

accent

#03E303

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #F5F579

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

Preview Lab → · Contrast checker → · Palette generator →