#F1EF63#F1EF63

#F1EF63 is a very light, vivid yellow. Relative luminance 0.813; OKLCH L 92.8% C 0.160 H 108.4°. Best body text is #000000 at 17.27:1 contrast (WCAG AA passes).

Color values

HEX	#F1EF63
RGB	rgb(241, 239, 99)
HSL	hsl(59, 84%, 67%)
HSV	hsv(59, 59%, 95%)
CMYK	cmyk(0%, 0.8%, 58.9%, 5.5%)
CIE-LAB	lab(92.28, -16.50, 66.14)
CIE-LCH	lch(92.28, 68.16, 104.01°)
OKLab	oklab(92.78% -0.0504 0.1516)
OKLCH	oklch(92.78% 0.16 108.4)
XYZ	xyz(69.3964, 81.3366, 23.8459)
Luminance	0.8134 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F1EF63 #6365F1

analogous

#F1A863 #F1EF63 #ACF163

triadic

#F1EF63 #63F1EF #EF63F1

tetradic

#F1EF63 #63F1A8 #6365F1 #F163AC

square

#F1EF63 #63F1A8 #6365F1 #F163AC

split-complementary

#F1EF63 #63ACF1 #A863F1

monochromatic

#C8C512 #ECE92B #F1EF63 #F6F59B #FBFBD3

Accessibility & contrast

On white

1.22

#F1EF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.27

#F1EF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F1EF63

17.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F1EF63	#FFFFFF	#000000	##000000
##F1EF63	1.00	1.22	17.27	17.27
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.27	21.00	1.00	1.00
##000000	17.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE653

Deuteranopia (green-blind)

#FFEB6B

Tritanopia (blue-blind)

#FFE1D1

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #f1ef63;
/* rgb */ color: rgb(241, 239, 99);
/* oklch */ color: oklch(92.8% 0.160 108.4);

Tailwind

colors: {
  custom: {
    50: '#f9f495',
    500: '#f1ef63',
    950: '#000000',
  },
}

SCSS

$custom: #f1ef63;
$custom-light: #f9f495;
$custom-dark: #000000;

JSON

{
  "hex": "#f1ef63",
  "rgb": {
    "r": 241,
    "g": 239,
    "b": 99
  },
  "hsl": {
    "h": 59.155,
    "s": 83.529,
    "l": 66.667
  },
  "oklch": {
    "l": 0.92776,
    "c": 0.15976,
    "h": 108.4
  },
  "luminance": 0.81335
}

Semantic roles & 50–950 ramp

primary

#F1EF63

secondary

#3436C5

accent

#09E006

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F1EF63

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

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