#F5E578#F5E578

#F5E578 is a very light, vivid yellow. Relative luminance 0.768; OKLCH L 91.3% C 0.131 H 101.1°. Best body text is #000000 at 16.36:1 contrast (WCAG AA passes).

Color values

HEX	#F5E578
RGB	rgb(245, 229, 120)
HSL	hsl(52, 86%, 72%)
HSV	hsv(52, 51%, 96%)
CMYK	cmyk(0%, 6.5%, 51%, 3.9%)
CIE-LAB	lab(90.23, -8.38, 54.55)
CIE-LCH	lch(90.23, 55.19, 98.74°)
OKLab	oklab(91.29% -0.0252 0.1289)
OKLCH	oklch(91.29% 0.131 101.1)
XYZ	xyz(69.0678, 76.8096, 28.9532)
Luminance	0.7681 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F5E578 #7888F5

analogous

#F5A778 #F5E578 #C7F578

triadic

#F5E578 #78F5E5 #E578F5

tetradic

#F5E578 #78F5A7 #7888F5 #F578C7

square

#F5E578 #78F5A7 #7888F5 #F578C7

split-complementary

#F5E578 #78C7F5 #A778F5

monochromatic

#E2C711 #F1DA3F #F5E578 #F9F0B1 #FDFAE3

Accessibility & contrast

On white

1.28

#F5E578 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.36

#F5E578 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F5E578

16.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F5E578	#FFFFFF	#000000	##000000
##F5E578	1.00	1.28	16.36	16.36
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.36	21.00	1.00	1.00
##000000	16.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F6DF6E

Deuteranopia (green-blind)

#FBE67D

Tritanopia (blue-blind)

#FFD8CC

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #f5e578;
/* rgb */ color: rgb(245, 229, 120);
/* oklch */ color: oklch(91.3% 0.131 101.1);

Tailwind

colors: {
  custom: {
    50: '#fbeda1',
    500: '#f5e578',
    950: '#000000',
  },
}

SCSS

$custom: #f5e578;
$custom-light: #fbeda1;
$custom-dark: #000000;

JSON

{
  "hex": "#f5e578",
  "rgb": {
    "r": 245,
    "g": 229,
    "b": 120
  },
  "hsl": {
    "h": 52.32,
    "s": 86.207,
    "l": 71.569
  },
  "oklch": {
    "l": 0.91292,
    "c": 0.13134,
    "h": 101.1
  },
  "luminance": 0.76807
}

Semantic roles & 50–950 ramp

primary

#F5E578

secondary

#4153D0

accent

#1FE303

background

#FFFEFC

surface

#FFFDF5

border

#D7D5CF

text

#18160F

muted

#868480

Preview Lab

Preview with #F5E578

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

Preview Lab → · Contrast checker → · Palette generator →