#FCFC5B#FCFC5B

#FCFC5B is a very light, vivid yellow. Relative luminance 0.911; OKLCH L 96.3% C 0.177 H 109.3°. Best body text is #000000 at 19.21:1 contrast (WCAG AA passes).

Color values

HEX	#FCFC5B
RGB	rgb(252, 252, 91)
HSL	hsl(60, 96%, 67%)
HSV	hsv(60, 64%, 99%)
CMYK	cmyk(0%, 0%, 63.9%, 1.2%)
CIE-LAB	lab(96.44, -18.86, 74.02)
CIE-LCH	lch(96.44, 76.38, 104.29°)
OKLab	oklab(96.28% -0.0585 0.1669)
OKLCH	oklch(96.28% 0.177 109.3)
XYZ	xyz(76.8461, 91.0738, 23.4265)
Luminance	0.9107 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FCFC5B #5B5BFC

analogous

#FCAC5B #FCFC5B #ACFC5B

triadic

#FCFC5B #5BFCFC #FC5BFC

tetradic

#FCFC5B #5BFCAC #5B5BFC #FC5BAC

square

#FCFC5B #5BFCAC #5B5BFC #FC5BAC

split-complementary

#FCFC5B #5BACFC #AC5BFC

monochromatic

#D9D904 #FBFB1F #FCFC5B #FDFD97 #FEFED3

Accessibility & contrast

On white

1.09

#FCFC5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.21

#FCFC5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FCFC5B

19.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FCFC5B	#FFFFFF	#000000	##000000
##FCFC5B	1.00	1.09	19.21	19.21
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.21	21.00	1.00	1.00
##000000	19.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF245

Deuteranopia (green-blind)

#FFF766

Tritanopia (blue-blind)

#FFEDDB

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #fcfc5b;
/* rgb */ color: rgb(252, 252, 91);
/* oklch */ color: oklch(96.3% 0.177 109.3);

Tailwind

colors: {
  custom: {
    50: '#fffd91',
    500: '#fcfc5b',
    950: '#000000',
  },
}

SCSS

$custom: #fcfc5b;
$custom-light: #fffd91;
$custom-dark: #000000;

JSON

{
  "hex": "#fcfc5b",
  "rgb": {
    "r": 252,
    "g": 252,
    "b": 91
  },
  "hsl": {
    "h": 60,
    "s": 96.407,
    "l": 67.255
  },
  "oklch": {
    "l": 0.96282,
    "c": 0.17685,
    "h": 109.3
  },
  "luminance": 0.91072
}

Semantic roles & 50–950 ramp

primary

#FCFC5B

secondary

#2929D2

accent

#00E600

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #FCFC5B

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

Preview Lab → · Contrast checker → · Palette generator →