Bright Yellow#FFFD01

#FFFD01 is a very light, highly saturated yellow. Relative luminance 0.915; OKLCH L 96.4% C 0.209 H 109.2°. Best body text is #000000 at 19.30:1 contrast (WCAG AA passes).

Bright Yellow — editorial page

Color values

HEX	#FFFD01
RGB	rgb(255, 253, 1)
HSL	hsl(60, 100%, 50%)
HSV	hsv(60, 100%, 100%)
CMYK	cmyk(0%, 0.8%, 99.6%, 0%)
CIE-LAB	lab(96.62, -20.60, 94.03)
CIE-LCH	lch(96.62, 96.26, 102.36°)
OKLab	oklab(96.39% -0.0687 0.1976)
OKLCH	oklch(96.39% 0.209 109.2)
XYZ	xyz(76.3740, 91.5153, 13.6699)
Luminance	0.9151 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFFD01 #0103FF

analogous

#FF7E01 #FFFD01 #82FF01

triadic

#FFFD01 #01FFFD #FD01FF

tetradic

#FFFD01 #01FF7E #0103FF #FF0182

square

#FFFD01 #01FF7E #0103FF #FF0182

split-complementary

#FFFD01 #0182FF #7E01FF

monochromatic

#868500 #C3C100 #FFFD01 #FFFD3E #FFFE7B

Accessibility & contrast

On white

1.09

#FFFD01 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.30

#FFFD01 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFFD01

19.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFFD01	#FFFFFF	#000000	##000000
##FFFD01	1.00	1.09	19.30	19.30
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.30	21.00	1.00	1.00
##000000	19.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF200

Deuteranopia (green-blind)

#FFF831

Tritanopia (blue-blind)

#FFECD8

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #fffd01;
/* rgb */ color: rgb(255, 253, 1);
/* oklch */ color: oklch(96.4% 0.209 109.2);

Tailwind

colors: {
  custom: {
    50: '#fffd73',
    500: '#fffd01',
    950: '#000000',
  },
}

SCSS

$custom: #fffd01;
$custom-light: #fffd73;
$custom-dark: #000000;

JSON

{
  "hex": "#fffd01",
  "rgb": {
    "r": 255,
    "g": 253,
    "b": 1
  },
  "hsl": {
    "h": 59.528,
    "s": 100,
    "l": 50.196
  },
  "oklch": {
    "l": 0.96385,
    "c": 0.20921,
    "h": 109.2
  },
  "luminance": 0.91513
}

Semantic roles & 50–950 ramp

primary

#FFFD01

secondary

#191A8C

accent

#2AFF29

background

#FFFFFB

surface

#FFFFF2

border

#D7D7CC

text

#19170A

muted

#87857D

Preview Lab

Preview with #FFFD01

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

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