#F5F478#F5F478

#F5F478 is a very light, vivid yellow. Relative luminance 0.855; OKLCH L 94.4% C 0.146 H 108.5°. Best body text is #000000 at 18.09:1 contrast (WCAG AA passes).

Color values

HEX	#F5F478
RGB	rgb(245, 244, 120)
HSL	hsl(60, 86%, 72%)
HSV	hsv(60, 51%, 96%)
CMYK	cmyk(0%, 0.4%, 51%, 3.9%)
CIE-LAB	lab(94.09, -15.78, 59.09)
CIE-LCH	lch(94.09, 61.16, 104.95°)
OKLab	oklab(94.35% -0.0464 0.1388)
OKLCH	oklch(94.35% 0.146 108.5)
XYZ	xyz(73.3989, 85.4718, 30.3969)
Luminance	0.8547 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F5F478 #7879F5

analogous

#F5B678 #F5F478 #B8F578

triadic

#F5F478 #78F5F4 #F478F5

tetradic

#F5F478 #78F5B6 #7879F5 #F578B8

square

#F5F478 #78F5B6 #7879F5 #F578B8

split-complementary

#F5F478 #78B8F5 #B678F5

monochromatic

#E2E011 #F1EF3F #F5F478 #F9F9B1 #FDFDE3

Accessibility & contrast

On white

1.16

#F5F478 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.09

#F5F478 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F5F478

18.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F5F478	#FFFFFF	#000000	##000000
##F5F478	1.00	1.16	18.09	18.09
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.09	21.00	1.00	1.00
##000000	18.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB6C

Deuteranopia (green-blind)

#FFF07E

Tritanopia (blue-blind)

#FFE7D8

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #f5f478;
/* rgb */ color: rgb(245, 244, 120);
/* oklch */ color: oklch(94.4% 0.146 108.5);

Tailwind

colors: {
  custom: {
    50: '#fbf7a2',
    500: '#f5f478',
    950: '#000000',
  },
}

SCSS

$custom: #f5f478;
$custom-light: #fbf7a2;
$custom-dark: #000000;

JSON

{
  "hex": "#f5f478",
  "rgb": {
    "r": 245,
    "g": 244,
    "b": 120
  },
  "hsl": {
    "h": 59.52,
    "s": 86.207,
    "l": 71.569
  },
  "oklch": {
    "l": 0.94354,
    "c": 0.14632,
    "h": 108.5
  },
  "luminance": 0.8547
}

Semantic roles & 50–950 ramp

primary

#F5F478

secondary

#4142D0

accent

#05E303

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #F5F478

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

Preview Lab → · Contrast checker → · Palette generator →