#F5EF79#F5EF79

#F5EF79 is a very light, vivid yellow. Relative luminance 0.825; OKLCH L 93.3% C 0.140 H 106.2°. Best body text is #000000 at 17.51:1 contrast (WCAG AA passes).

Color values

HEX	#F5EF79
RGB	rgb(245, 239, 121)
HSL	hsl(57, 86%, 72%)
HSV	hsv(57, 51%, 96%)
CMYK	cmyk(0%, 2.4%, 50.6%, 3.9%)
CIE-LAB	lab(92.81, -13.26, 57.13)
CIE-LCH	lch(92.81, 58.65, 103.06°)
OKLab	oklab(93.34% -0.0391 0.1346)
OKLCH	oklch(93.34% 0.14 106.2)
XYZ	xyz(71.9758, 82.5280, 30.2235)
Luminance	0.8253 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F5EF79 #797FF5

analogous

#F5B179 #F5EF79 #BDF579

triadic

#F5EF79 #79F5EF #EF79F5

tetradic

#F5EF79 #79F5B1 #797FF5 #F579BD

square

#F5EF79 #79F5B1 #797FF5 #F579BD

split-complementary

#F5EF79 #79BDF5 #B179F5

monochromatic

#E3D911 #F1E840 #F5EF79 #F9F6B2 #FDFCE3

Accessibility & contrast

On white

1.20

#F5EF79 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.51

#F5EF79 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F5EF79

17.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F5EF79	#FFFFFF	#000000	##000000
##F5EF79	1.00	1.20	17.51	17.51
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.51	21.00	1.00	1.00
##000000	17.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE76E

Deuteranopia (green-blind)

#FFED7F

Tritanopia (blue-blind)

#FFE2D4

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #f5ef79;
/* rgb */ color: rgb(245, 239, 121);
/* oklch */ color: oklch(93.3% 0.140 106.2);

Tailwind

colors: {
  custom: {
    50: '#fbf4a2',
    500: '#f5ef79',
    950: '#000000',
  },
}

SCSS

$custom: #f5ef79;
$custom-light: #fbf4a2;
$custom-dark: #000000;

JSON

{
  "hex": "#f5ef79",
  "rgb": {
    "r": 245,
    "g": 239,
    "b": 121
  },
  "hsl": {
    "h": 57.097,
    "s": 86.111,
    "l": 71.765
  },
  "oklch": {
    "l": 0.9334,
    "c": 0.14018,
    "h": 106.2
  },
  "luminance": 0.82526
}

Semantic roles & 50–950 ramp

primary

#F5EF79

secondary

#4249D0

accent

#0EE303

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #F5EF79

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

Preview Lab → · Contrast checker → · Palette generator →