#F3F17C#F3F17C

#F3F17C is a very light, vivid yellow. Relative luminance 0.834; OKLCH L 93.6% C 0.140 H 107.9°. Best body text is #000000 at 17.68:1 contrast (WCAG AA passes).

Color values

HEX	#F3F17C
RGB	rgb(243, 241, 124)
HSL	hsl(59, 83%, 72%)
HSV	hsv(59, 49%, 95%)
CMYK	cmyk(0%, 0.8%, 49%, 4.7%)
CIE-LAB	lab(93.20, -14.77, 56.18)
CIE-LCH	lch(93.20, 58.09, 104.73°)
OKLab	oklab(93.62% -0.043 0.1328)
OKLCH	oklch(93.62% 0.14 107.9)
XYZ	xyz(72.0572, 83.4223, 31.3712)
Luminance	0.8342 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F17C #7C7EF3

analogous

#F3B67C #F3F17C #B9F37C

triadic

#F3F17C #7CF3F1 #F17CF3

tetradic

#F3F17C #7CF3B6 #7C7EF3 #F37CB9

square

#F3F17C #7CF3B6 #7C7EF3 #F37CB9

split-complementary

#F3F17C #7CB9F3 #B67CF3

monochromatic

#E0DD15 #EEEB44 #F3F17C #F8F7B4 #FCFCE3

Accessibility & contrast

On white

1.19

#F3F17C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.68

#F3F17C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F17C

17.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F17C	#FFFFFF	#000000	##000000
##F3F17C	1.00	1.19	17.68	17.68
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.68	21.00	1.00	1.00
##000000	17.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE971

Deuteranopia (green-blind)

#FFEE82

Tritanopia (blue-blind)

#FFE4D6

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #f3f17c;
/* rgb */ color: rgb(243, 241, 124);
/* oklch */ color: oklch(93.6% 0.140 107.9);

Tailwind

colors: {
  custom: {
    50: '#f9f5a5',
    500: '#f3f17c',
    950: '#000000',
  },
}

SCSS

$custom: #f3f17c;
$custom-light: #f9f5a5;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f17c",
  "rgb": {
    "r": 243,
    "g": 241,
    "b": 124
  },
  "hsl": {
    "h": 58.992,
    "s": 83.217,
    "l": 71.961
  },
  "oklch": {
    "l": 0.93624,
    "c": 0.13963,
    "h": 107.9
  },
  "luminance": 0.83421
}

Semantic roles & 50–950 ramp

primary

#F3F17C

secondary

#4548CE

accent

#0AE006

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #F3F17C

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

Preview Lab → · Contrast checker → · Palette generator →