#FDFF9B#FDFF9B

#FDFF9B is a very light, vivid yellow. Relative luminance 0.948; OKLCH L 97.7% C 0.123 H 109.5°. Best body text is #000000 at 19.95:1 contrast (WCAG AA passes).

Color values

HEX	#FDFF9B
RGB	rgb(253, 255, 155)
HSL	hsl(61, 100%, 80%)
HSV	hsv(61, 39%, 100%)
CMYK	cmyk(0.8%, 0%, 39.2%, 0%)
CIE-LAB	lab(97.94, -14.78, 47.51)
CIE-LCH	lch(97.94, 49.76, 107.28°)
OKLab	oklab(97.71% -0.0408 0.1155)
OKLCH	oklch(97.71% 0.123 109.5)
XYZ	xyz(82.1855, 94.7708, 44.9672)
Luminance	0.9477 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FDFF9B #9D9BFF

analogous

#FFCF9B #FDFF9B #CBFF9B

triadic

#FDFF9B #9BFDFF #FF9BFD

tetradic

#FDFF9B #9BFFCF #9D9BFF #FF9BCB

square

#FDFF9B #9BFFCF #9D9BFF #FF9BCB

split-complementary

#FDFF9B #9BCBFF #CF9BFF

monochromatic

#FBFF21 #FCFF5E #FDFF9B #FEFFD8 #FEFFE0

Accessibility & contrast

On white

1.05

#FDFF9B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.95

#FDFF9B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FDFF9B

19.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FDFF9B	#FFFFFF	#000000	##000000
##FDFF9B	1.00	1.05	19.95	19.95
#FFFFFF	1.05	1.00	21.00	21.00
#000000	19.95	21.00	1.00	1.00
##000000	19.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF793

Deuteranopia (green-blind)

#FFFB9F

Tritanopia (blue-blind)

#FFF4E7

Achromatopsia (no color)

#F9F9F9

Design tokens & code

CSS

--color: #fdff9b;
/* rgb */ color: rgb(253, 255, 155);
/* oklch */ color: oklch(97.7% 0.123 109.5);

Tailwind

colors: {
  custom: {
    50: '#ffffba',
    500: '#fdff9b',
    950: '#000000',
  },
}

SCSS

$custom: #fdff9b;
$custom-light: #ffffba;
$custom-dark: #000000;

JSON

{
  "hex": "#fdff9b",
  "rgb": {
    "r": 253,
    "g": 255,
    "b": 155
  },
  "hsl": {
    "h": 61.2,
    "s": 100,
    "l": 80.392
  },
  "oklch": {
    "l": 0.97708,
    "c": 0.12253,
    "h": 109.5
  },
  "luminance": 0.94769
}

Semantic roles & 50–950 ramp

primary

#FDFF9B

secondary

#5F5CE2

accent

#00E605

background

#FFFFFD

surface

#FFFFF8

border

#D7D7D1

text

#181712

muted

#868582

Preview Lab

Preview with #FDFF9B

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

Preview Lab → · Contrast checker → · Palette generator →