#FDFF4D#FDFF4D

#FDFF4D is a very light, vivid yellow. Relative luminance 0.929; OKLCH L 96.9% C 0.188 H 110.1°. Best body text is #000000 at 19.59:1 contrast (WCAG AA passes).

Color values

HEX	#FDFF4D
RGB	rgb(253, 255, 77)
HSL	hsl(61, 100%, 65%)
HSV	hsv(61, 70%, 100%)
CMYK	cmyk(0.8%, 0%, 69.8%, 0%)
CIE-LAB	lab(97.20, -20.61, 79.86)
CIE-LCH	lch(97.20, 82.48, 104.47°)
OKLab	oklab(96.88% -0.0648 0.177)
OKLCH	oklch(96.88% 0.188 110.1)
XYZ	xyz(77.6103, 92.9407, 20.8708)
Luminance	0.9294 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FDFF4D #4F4DFF

analogous

#FFA84D #FDFF4D #A4FF4D

triadic

#FDFF4D #4DFDFF #FF4DFD

tetradic

#FDFF4D #4DFFA8 #4F4DFF #FF4DA4

square

#FDFF4D #4DFFA8 #4F4DFF #FF4DA4

split-complementary

#FDFF4D #4DA4FF #A84DFF

monochromatic

#CFD200 #FCFF10 #FDFF4D #FEFF8A #FEFFC7

Accessibility & contrast

On white

1.07

#FDFF4D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.59

#FDFF4D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FDFF4D

19.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FDFF4D	#FFFFFF	#000000	##000000
##FDFF4D	1.00	1.07	19.59	19.59
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.59	21.00	1.00	1.00
##000000	19.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF42D

Deuteranopia (green-blind)

#FFF95A

Tritanopia (blue-blind)

#FFEFDC

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #fdff4d;
/* rgb */ color: rgb(253, 255, 77);
/* oklch */ color: oklch(96.9% 0.188 110.1);

Tailwind

colors: {
  custom: {
    50: '#ffff8a',
    500: '#fdff4d',
    950: '#000000',
  },
}

SCSS

$custom: #fdff4d;
$custom-light: #ffff8a;
$custom-dark: #000000;

JSON

{
  "hex": "#fdff4d",
  "rgb": {
    "r": 253,
    "g": 255,
    "b": 77
  },
  "hsl": {
    "h": 60.674,
    "s": 100,
    "l": 65.098
  },
  "oklch": {
    "l": 0.96881,
    "c": 0.18847,
    "h": 110.1
  },
  "luminance": 0.92938
}

Semantic roles & 50–950 ramp

primary

#FDFF4D

secondary

#2624CC

accent

#00E603

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#19170D

muted

#87857F

Preview Lab

Preview with #FDFF4D

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

Preview Lab → · Contrast checker → · Palette generator →