#FFFF90#FFFF90

#FFFF90 is a very light, vivid yellow. Relative luminance 0.948; OKLCH L 97.7% C 0.134 H 108.6°. Best body text is #000000 at 19.96:1 contrast (WCAG AA passes).

Color values

HEX	#FFFF90
RGB	rgb(255, 255, 144)
HSL	hsl(60, 100%, 78%)
HSV	hsv(60, 44%, 100%)
CMYK	cmyk(0%, 0%, 43.5%, 0%)
CIE-LAB	lab(97.95, -15.11, 52.80)
CIE-LCH	lch(97.95, 54.93, 105.97°)
OKLab	oklab(97.71% -0.0428 0.1268)
OKLCH	oklch(97.71% 0.134 108.6)
XYZ	xyz(82.0355, 94.7954, 40.3560)
Luminance	0.9479 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFFF90 #9090FF

analogous

#FFC790 #FFFF90 #C7FF90

triadic

#FFFF90 #90FFFF #FF90FF

tetradic

#FFFF90 #90FFC7 #9090FF #FF90C7

square

#FFFF90 #90FFC7 #9090FF #FF90C7

split-complementary

#FFFF90 #90C7FF #C790FF

monochromatic

#FFFF16 #FFFF53 #FFFF90 #FFFFCD #FFFFE0

Accessibility & contrast

On white

1.05

#FFFF90 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.96

#FFFF90 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFFF90

19.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFFF90	#FFFFFF	#000000	##000000
##FFFF90	1.00	1.05	19.96	19.96
#FFFFFF	1.05	1.00	21.00	21.00
#000000	19.96	21.00	1.00	1.00
##000000	19.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF787

Deuteranopia (green-blind)

#FFFB95

Tritanopia (blue-blind)

#FFF3E5

Achromatopsia (no color)

#F9F9F9

Design tokens & code

CSS

--color: #ffff90;
/* rgb */ color: rgb(255, 255, 144);
/* oklch */ color: oklch(97.7% 0.134 108.6);

Tailwind

colors: {
  custom: {
    50: '#ffffb2',
    500: '#ffff90',
    950: '#000000',
  },
}

SCSS

$custom: #ffff90;
$custom-light: #ffffb2;
$custom-dark: #000000;

JSON

{
  "hex": "#ffff90",
  "rgb": {
    "r": 255,
    "g": 255,
    "b": 144
  },
  "hsl": {
    "h": 60,
    "s": 100,
    "l": 78.235
  },
  "oklch": {
    "l": 0.97707,
    "c": 0.13378,
    "h": 108.6
  },
  "luminance": 0.94794
}

Semantic roles & 50–950 ramp

primary

#FFFF90

secondary

#5353E1

accent

#00E600

background

#FFFFFD

surface

#FFFFF8

border

#D7D7D1

text

#181711

muted

#868581

Preview Lab

Preview with #FFFF90

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

Preview Lab → · Contrast checker → · Palette generator →