#F3DF63#F3DF63

#F3DF63 is a very light, vivid yellow. Relative luminance 0.727; OKLCH L 89.7% C 0.145 H 100.2°. Best body text is #000000 at 15.55:1 contrast (WCAG AA passes).

Color values

HEX	#F3DF63
RGB	rgb(243, 223, 99)
HSL	hsl(52, 86%, 67%)
HSV	hsv(52, 59%, 95%)
CMYK	cmyk(0%, 8.2%, 59.3%, 4.7%)
CIE-LAB	lab(88.32, -7.78, 61.82)
CIE-LCH	lch(88.32, 62.31, 97.17°)
OKLab	oklab(89.67% -0.0256 0.1424)
OKLCH	oklch(89.67% 0.145 100.2)
XYZ	xyz(65.6045, 72.7336, 22.3853)
Luminance	0.7273 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3DF63 #6377F3

analogous

#F39763 #F3DF63 #BFF363

triadic

#F3DF63 #63F3DF #DF63F3

tetradic

#F3DF63 #63F397 #6377F3 #F363BF

square

#F3DF63 #63F397 #6377F3 #F363BF

split-complementary

#F3DF63 #63BFF3 #9763F3

monochromatic

#CCB210 #EFD32A #F3DF63 #F7EB9C #FCF6D5

Accessibility & contrast

On white

1.35

#F3DF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.55

#F3DF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3DF63

15.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3DF63	#FFFFFF	#000000	##000000
##F3DF63	1.00	1.35	15.55	15.55
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.55	21.00	1.00	1.00
##000000	15.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D956

Deuteranopia (green-blind)

#F8E169

Tritanopia (blue-blind)

#FFD1C4

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #f3df63;
/* rgb */ color: rgb(243, 223, 99);
/* oklch */ color: oklch(89.7% 0.145 100.2);

Tailwind

colors: {
  custom: {
    50: '#fae894',
    500: '#f3df63',
    950: '#000000',
  },
}

SCSS

$custom: #f3df63;
$custom-light: #fae894;
$custom-dark: #000000;

JSON

{
  "hex": "#f3df63",
  "rgb": {
    "r": 243,
    "g": 223,
    "b": 99
  },
  "hsl": {
    "h": 51.667,
    "s": 85.714,
    "l": 67.059
  },
  "oklch": {
    "l": 0.89666,
    "c": 0.14467,
    "h": 100.2
  },
  "luminance": 0.72731
}

Semantic roles & 50–950 ramp

primary

#F3DF63

secondary

#3247C8

accent

#22E203

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18160D

muted

#86847F

Preview Lab

Preview with #F3DF63

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

Preview Lab → · Contrast checker → · Palette generator →