#FDFF5A#FDFF5A

#FDFF5A is a very light, vivid yellow. Relative luminance 0.931; OKLCH L 97.0% C 0.180 H 110.0°. Best body text is #000000 at 19.63:1 contrast (WCAG AA passes).

Color values

HEX	#FDFF5A
RGB	rgb(253, 255, 90)
HSL	hsl(61, 100%, 68%)
HSV	hsv(61, 65%, 100%)
CMYK	cmyk(0.8%, 0%, 64.7%, 0%)
CIE-LAB	lab(97.29, -19.95, 75.29)
CIE-LCH	lch(97.29, 77.89, 104.84°)
OKLab	oklab(96.97% -0.0617 0.1694)
OKLCH	oklch(96.97% 0.18 110)
XYZ	xyz(78.1160, 93.1430, 23.5343)
Luminance	0.9314 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FDFF5A #5C5AFF

analogous

#FFAE5A #FDFF5A #ABFF5A

triadic

#FDFF5A #5AFDFF #FF5AFD

tetradic

#FDFF5A #5AFFAE #5C5AFF #FF5AAB

square

#FDFF5A #5AFFAE #5C5AFF #FF5AAB

split-complementary

#FDFF5A #5AABFF #AE5AFF

monochromatic

#DCDF00 #FCFF1D #FDFF5A #FEFF97 #FEFFD4

Accessibility & contrast

On white

1.07

#FDFF5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.63

#FDFF5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FDFF5A

19.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FDFF5A	#FFFFFF	#000000	##000000
##FDFF5A	1.00	1.07	19.63	19.63
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.63	21.00	1.00	1.00
##000000	19.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF543

Deuteranopia (green-blind)

#FFFA65

Tritanopia (blue-blind)

#FFF0DE

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #fdff5a;
/* rgb */ color: rgb(253, 255, 90);
/* oklch */ color: oklch(97.0% 0.180 110.0);

Tailwind

colors: {
  custom: {
    50: '#ffff91',
    500: '#fdff5a',
    950: '#000000',
  },
}

SCSS

$custom: #fdff5a;
$custom-light: #ffff91;
$custom-dark: #000000;

JSON

{
  "hex": "#fdff5a",
  "rgb": {
    "r": 253,
    "g": 255,
    "b": 90
  },
  "hsl": {
    "h": 60.727,
    "s": 100,
    "l": 67.647
  },
  "oklch": {
    "l": 0.96973,
    "c": 0.1803,
    "h": 110
  },
  "luminance": 0.93141
}

Semantic roles & 50–950 ramp

primary

#FDFF5A

secondary

#2826D7

accent

#00E603

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#19170D

muted

#87857F

Preview Lab

Preview with #FDFF5A

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

Preview Lab → · Contrast checker → · Palette generator →