#F7EF63#F7EF63

#F7EF63 is a very light, vivid yellow. Relative luminance 0.824; OKLCH L 93.3% C 0.159 H 106.0°. Best body text is #000000 at 17.48:1 contrast (WCAG AA passes).

Color values

HEX	#F7EF63
RGB	rgb(247, 239, 99)
HSL	hsl(57, 90%, 68%)
HSV	hsv(57, 60%, 97%)
CMYK	cmyk(0%, 3.2%, 59.9%, 3.1%)
CIE-LAB	lab(92.76, -14.08, 66.79)
CIE-LCH	lch(92.76, 68.26, 101.91°)
OKLab	oklab(93.27% -0.0439 0.1529)
OKLCH	oklch(93.27% 0.159 106)
XYZ	xyz(71.4788, 82.4104, 23.9435)
Luminance	0.8241 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F7EF63 #636BF7

analogous

#F7A563 #F7EF63 #B5F763

triadic

#F7EF63 #63F7EF #EF63F7

tetradic

#F7EF63 #63F7A5 #636BF7 #F763B5

square

#F7EF63 #63F7A5 #636BF7 #F763B5

split-complementary

#F7EF63 #63B5F7 #A563F7

monochromatic

#D5CA0B #F4E929 #F7EF63 #FAF59D #FDFBD7

Accessibility & contrast

On white

1.20

#F7EF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.48

#F7EF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F7EF63

17.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F7EF63	#FFFFFF	#000000	##000000
##F7EF63	1.00	1.20	17.48	17.48
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.48	21.00	1.00	1.00
##000000	17.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE753

Deuteranopia (green-blind)

#FFED6B

Tritanopia (blue-blind)

#FFE0D1

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #f7ef63;
/* rgb */ color: rgb(247, 239, 99);
/* oklch */ color: oklch(93.3% 0.159 106.0);

Tailwind

colors: {
  custom: {
    50: '#fdf495',
    500: '#f7ef63',
    950: '#000000',
  },
}

SCSS

$custom: #f7ef63;
$custom-light: #fdf495;
$custom-dark: #000000;

JSON

{
  "hex": "#f7ef63",
  "rgb": {
    "r": 247,
    "g": 239,
    "b": 99
  },
  "hsl": {
    "h": 56.757,
    "s": 90.244,
    "l": 67.843
  },
  "oklch": {
    "l": 0.93269,
    "c": 0.15903,
    "h": 106
  },
  "luminance": 0.82408
}

Semantic roles & 50–950 ramp

primary

#F7EF63

secondary

#2F37CF

accent

#0CE600

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F7EF63

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

Preview Lab → · Contrast checker → · Palette generator →