#F3CB53#F3CB53

#F3CB53 is a very light, vivid yellow. Relative luminance 0.624; OKLCH L 85.5% C 0.143 H 90.5°. Best body text is #000000 at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#F3CB53
RGB	rgb(243, 203, 83)
HSL	hsl(45, 87%, 64%)
HSV	hsv(45, 66%, 95%)
CMYK	cmyk(0%, 16.5%, 65.8%, 4.7%)
CIE-LAB	lab(83.12, 1.38, 63.06)
CIE-LCH	lch(83.12, 63.07, 88.74°)
OKLab	oklab(85.51% -0.0012 0.1428)
OKLCH	oklch(85.51% 0.143 90.5)
XYZ	xyz(59.8825, 62.3946, 17.0712)
Luminance	0.6239 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3CB53 #537BF3

analogous

#F37B53 #F3CB53 #CBF353

triadic

#F3CB53 #53F3CB #CB53F3

tetradic

#F3CB53 #53F37B #537BF3 #F353CB

square

#F3CB53 #53F37B #537BF3 #F353CB

split-complementary

#F3CB53 #53CBF3 #7B53F3

monochromatic

#BE920D #EFBA1A #F3CB53 #F7DC8C #FBEEC5

Accessibility & contrast

On white

1.56

#F3CB53 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.48

#F3CB53 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3CB53

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3CB53	#FFFFFF	#000000	##000000
##F3CB53	1.00	1.56	13.48	13.48
#FFFFFF	1.56	1.00	21.00	21.00
#000000	13.48	21.00	1.00	1.00
##000000	13.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C845

Deuteranopia (green-blind)

#EAD459

Tritanopia (blue-blind)

#FFBBB2

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #f3cb53;
/* rgb */ color: rgb(243, 203, 83);
/* oklch */ color: oklch(85.5% 0.143 90.5);

Tailwind

colors: {
  custom: {
    50: '#fbda89',
    500: '#f3cb53',
    950: '#000000',
  },
}

SCSS

$custom: #f3cb53;
$custom-light: #fbda89;
$custom-dark: #000000;

JSON

{
  "hex": "#f3cb53",
  "rgb": {
    "r": 243,
    "g": 203,
    "b": 83
  },
  "hsl": {
    "h": 45,
    "s": 86.957,
    "l": 63.922
  },
  "oklch": {
    "l": 0.8551,
    "c": 0.14276,
    "h": 90.5
  },
  "luminance": 0.62391
}

Semantic roles & 50–950 ramp

primary

#F3CB53

secondary

#2E51BC

accent

#3AE402

background

#FFFEFC

surface

#FFFBF4

border

#D7D4CE

text

#18140C

muted

#86837F

Preview Lab

Preview with #F3CB53

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

Preview Lab → · Contrast checker → · Palette generator →