#FDFF57#FDFF57

#FDFF57 is a very light, vivid yellow. Relative luminance 0.931; OKLCH L 97.0% C 0.182 H 110.0°. Best body text is #000000 at 19.62:1 contrast (WCAG AA passes).

Color values

HEX	#FDFF57
RGB	rgb(253, 255, 87)
HSL	hsl(61, 100%, 67%)
HSV	hsv(61, 66%, 100%)
CMYK	cmyk(0.8%, 0%, 65.9%, 0%)
CIE-LAB	lab(97.27, -20.11, 76.39)
CIE-LCH	lch(97.27, 78.99, 104.75°)
OKLab	oklab(96.95% -0.0624 0.1713)
OKLCH	oklch(96.95% 0.182 110)
XYZ	xyz(77.9909, 93.0929, 22.8754)
Luminance	0.9309 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FDFF57 #5957FF

analogous

#FFAD57 #FDFF57 #A9FF57

triadic

#FDFF57 #57FDFF #FF57FD

tetradic

#FDFF57 #57FFAD #5957FF #FF57A9

square

#FDFF57 #57FFAD #5957FF #FF57A9

split-complementary

#FDFF57 #57A9FF #AD57FF

monochromatic

#D9DC00 #FCFF1A #FDFF57 #FEFF94 #FEFFD1

Accessibility & contrast

On white

1.07

#FDFF57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.62

#FDFF57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FDFF57

19.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FDFF57	#FFFFFF	#000000	##000000
##FDFF57	1.00	1.07	19.62	19.62
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.62	21.00	1.00	1.00
##000000	19.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF43E

Deuteranopia (green-blind)

#FFFA63

Tritanopia (blue-blind)

#FFF0DD

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #fdff57;
/* rgb */ color: rgb(253, 255, 87);
/* oklch */ color: oklch(97.0% 0.182 110.0);

Tailwind

colors: {
  custom: {
    50: '#ffff8f',
    500: '#fdff57',
    950: '#000000',
  },
}

SCSS

$custom: #fdff57;
$custom-light: #ffff8f;
$custom-dark: #000000;

JSON

{
  "hex": "#fdff57",
  "rgb": {
    "r": 253,
    "g": 255,
    "b": 87
  },
  "hsl": {
    "h": 60.714,
    "s": 100,
    "l": 67.059
  },
  "oklch": {
    "l": 0.9695,
    "c": 0.1823,
    "h": 110
  },
  "luminance": 0.93091
}

Semantic roles & 50–950 ramp

primary

#FDFF57

secondary

#2826D5

accent

#00E603

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#19170D

muted

#87857F

Preview Lab

Preview with #FDFF57

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

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