#FDF577#FDF577

#FDF577 is a very light, vivid yellow. Relative luminance 0.875; OKLCH L 95.2% C 0.147 H 105.6°. Best body text is #000000 at 18.50:1 contrast (WCAG AA passes).

Color values

HEX	#FDF577
RGB	rgb(253, 245, 119)
HSL	hsl(56, 97%, 73%)
HSV	hsv(56, 53%, 99%)
CMYK	cmyk(0%, 3.2%, 53%, 0.8%)
CIE-LAB	lab(94.96, -13.19, 60.72)
CIE-LCH	lch(94.96, 62.13, 102.26°)
OKLab	oklab(95.2% -0.0395 0.1421)
OKLCH	oklch(95.2% 0.147 105.6)
XYZ	xyz(76.4924, 87.5217, 30.3132)
Luminance	0.8752 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FDF577 #777FFD

analogous

#FDB277 #FDF577 #C2FD77

triadic

#FDF577 #77FDF5 #F577FD

tetradic

#FDF577 #77FDB2 #777FFD #FD77C2

square

#FDF577 #77FDB2 #777FFD #FD77C2

split-complementary

#FDF577 #77C2FD #B277FD

monochromatic

#F6E804 #FCF13B #FDF577 #FEF9B3 #FFFDE1

Accessibility & contrast

On white

1.13

#FDF577 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.50

#FDF577 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FDF577

18.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FDF577	#FFFFFF	#000000	##000000
##FDF577	1.00	1.13	18.50	18.50
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.50	21.00	1.00	1.00
##000000	18.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED6B

Deuteranopia (green-blind)

#FFF37D

Tritanopia (blue-blind)

#FFE7D9

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #fdf577;
/* rgb */ color: rgb(253, 245, 119);
/* oklch */ color: oklch(95.2% 0.147 105.6);

Tailwind

colors: {
  custom: {
    50: '#fff8a2',
    500: '#fdf577',
    950: '#000000',
  },
}

SCSS

$custom: #fdf577;
$custom-light: #fff8a2;
$custom-dark: #000000;

JSON

{
  "hex": "#fdf577",
  "rgb": {
    "r": 253,
    "g": 245,
    "b": 119
  },
  "hsl": {
    "h": 56.418,
    "s": 97.101,
    "l": 72.941
  },
  "oklch": {
    "l": 0.95198,
    "c": 0.14746,
    "h": 105.6
  },
  "luminance": 0.87519
}

Semantic roles & 50–950 ramp

primary

#FDF577

secondary

#3E47DA

accent

#0EE600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #FDF577

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

Preview Lab → · Contrast checker → · Palette generator →