#FCDF51#FCDF51

#FCDF51 is a very light, vivid yellow. Relative luminance 0.741; OKLCH L 90.3% C 0.159 H 97.5°. Best body text is #000000 at 15.81:1 contrast (WCAG AA passes).

Color values

HEX	#FCDF51
RGB	rgb(252, 223, 81)
HSL	hsl(50, 97%, 65%)
HSV	hsv(50, 68%, 99%)
CMYK	cmyk(0%, 11.5%, 67.9%, 1.2%)
CIE-LAB	lab(88.95, -5.15, 70.19)
CIE-LCH	lch(88.95, 70.38, 94.20°)
OKLab	oklab(90.31% -0.0207 0.1573)
OKLCH	oklch(90.31% 0.159 97.5)
XYZ	xyz(68.0210, 74.0682, 18.4967)
Luminance	0.7407 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FCDF51 #516EFC

analogous

#FC8A51 #FCDF51 #C3FC51

triadic

#FCDF51 #51FCDF #DF51FC

tetradic

#FCDF51 #51FC8A #516EFC #FC51C3

square

#FCDF51 #51FC8A #516EFC #FC51C3

split-complementary

#FCDF51 #51C3FC #8A51FC

monochromatic

#CFAD04 #FBD415 #FCDF51 #FDEA8D #FEF5C9

Accessibility & contrast

On white

1.33

#FCDF51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.81

#FCDF51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FCDF51

15.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FCDF51	#FFFFFF	#000000	##000000
##FCDF51	1.00	1.33	15.81	15.81
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.81	21.00	1.00	1.00
##000000	15.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4DA3D

Deuteranopia (green-blind)

#FCE459

Tritanopia (blue-blind)

#FFCFC2

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #fcdf51;
/* rgb */ color: rgb(252, 223, 81);
/* oklch */ color: oklch(90.3% 0.159 97.5);

Tailwind

colors: {
  custom: {
    50: '#ffe889',
    500: '#fcdf51',
    950: '#000000',
  },
}

SCSS

$custom: #fcdf51;
$custom-light: #ffe889;
$custom-dark: #000000;

JSON

{
  "hex": "#fcdf51",
  "rgb": {
    "r": 252,
    "g": 223,
    "b": 81
  },
  "hsl": {
    "h": 49.825,
    "s": 96.61,
    "l": 65.294
  },
  "oklch": {
    "l": 0.90306,
    "c": 0.15861,
    "h": 97.5
  },
  "luminance": 0.74065
}

Semantic roles & 50–950 ramp

primary

#FCDF51

secondary

#2743CA

accent

#27E600

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#19160C

muted

#87847F

Preview Lab

Preview with #FCDF51

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

Preview Lab → · Contrast checker → · Palette generator →