#FFDE40#FFDE40

#FFDE40 is a very light, vivid yellow. Relative luminance 0.739; OKLCH L 90.3% C 0.168 H 96.7°. Best body text is #000000 at 15.77:1 contrast (WCAG AA passes).

Color values

HEX	#FFDE40
RGB	rgb(255, 222, 64)
HSL	hsl(50, 100%, 63%)
HSV	hsv(50, 75%, 100%)
CMYK	cmyk(0%, 12.9%, 74.9%, 0%)
CIE-LAB	lab(88.86, -4.17, 76.34)
CIE-LCH	lch(88.86, 76.46, 93.13°)
OKLab	oklab(90.26% -0.0198 0.1672)
OKLCH	oklch(90.26% 0.168 96.7)
XYZ	xyz(68.2903, 73.8764, 15.5121)
Luminance	0.7387 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFDE40 #4061FF

analogous

#FF7F40 #FFDE40 #C0FF40

triadic

#FFDE40 #40FFDE #DE40FF

tetradic

#FFDE40 #40FF7F #4061FF #FF40C0

square

#FFDE40 #40FF7F #4061FF #FF40C0

split-complementary

#FFDE40 #40C0FF #7F40FF

monochromatic

#C5A300 #FFD303 #FFDE40 #FFE97D #FFF3BA

Accessibility & contrast

On white

1.33

#FFDE40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.77

#FFDE40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFDE40

15.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFDE40	#FFFFFF	#000000	##000000
##FFDE40	1.00	1.33	15.77	15.77
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.77	21.00	1.00	1.00
##000000	15.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5D921

Deuteranopia (green-blind)

#FDE44A

Tritanopia (blue-blind)

#FFCDC0

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #ffde40;
/* rgb */ color: rgb(255, 222, 64);
/* oklch */ color: oklch(90.3% 0.168 96.7);

Tailwind

colors: {
  custom: {
    50: '#ffe780',
    500: '#ffde40',
    950: '#000000',
  },
}

SCSS

$custom: #ffde40;
$custom-light: #ffe780;
$custom-dark: #000000;

JSON

{
  "hex": "#ffde40",
  "rgb": {
    "r": 255,
    "g": 222,
    "b": 64
  },
  "hsl": {
    "h": 49.634,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.90264,
    "c": 0.16833,
    "h": 96.7
  },
  "luminance": 0.73873
}

Semantic roles & 50–950 ramp

primary

#FFDE40

secondary

#223EC1

accent

#28E600

background

#FFFEFB

surface

#FFFCF2

border

#D7D5CC

text

#19160B

muted

#87847E

Preview Lab

Preview with #FFDE40

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

Preview Lab → · Contrast checker → · Palette generator →