#FFD904#FFD904

#FFD904 is a very light, vivid yellow. Relative luminance 0.709; OKLCH L 89.1% C 0.183 H 96.1°. Best body text is #000000 at 15.18:1 contrast (WCAG AA passes).

Color values

HEX	#FFD904
RGB	rgb(255, 217, 4)
HSL	hsl(51, 100%, 51%)
HSV	hsv(51, 98%, 100%)
CMYK	cmyk(0%, 14.9%, 98.4%, 0%)
CIE-LAB	lab(87.44, -2.90, 87.15)
CIE-LCH	lch(87.44, 87.20, 91.91°)
OKLab	oklab(89.08% -0.0196 0.1818)
OKLCH	oklch(89.08% 0.183 96.1)
XYZ	xyz(66.0787, 70.8984, 10.3192)
Luminance	0.7089 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFD904 #042AFF

analogous

#FF5B04 #FFD904 #A8FF04

triadic

#FFD904 #04FFD9 #D904FF

tetradic

#FFD904 #04FF5B #042AFF #FF04A8

square

#FFD904 #04FF5B #042AFF #FF04A8

split-complementary

#FFD904 #04A8FF #5B04FF

monochromatic

#897400 #C6A800 #FFD904 #FFE241 #FFEC7E

Accessibility & contrast

On white

1.38

#FFD904 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.18

#FFD904 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFD904

15.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFD904	#FFFFFF	#000000	##000000
##FFD904	1.00	1.38	15.18	15.18
#FFFFFF	1.38	1.00	21.00	21.00
#000000	15.18	21.00	1.00	1.00
##000000	15.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1D400

Deuteranopia (green-blind)

#FBE026

Tritanopia (blue-blind)

#FFC6B9

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #ffd904;
/* rgb */ color: rgb(255, 217, 4);
/* oklch */ color: oklch(89.1% 0.183 96.1);

Tailwind

colors: {
  custom: {
    50: '#ffe46d',
    500: '#ffd904',
    950: '#000000',
  },
}

SCSS

$custom: #ffd904;
$custom-light: #ffe46d;
$custom-dark: #000000;

JSON

{
  "hex": "#ffd904",
  "rgb": {
    "r": 255,
    "g": 217,
    "b": 4
  },
  "hsl": {
    "h": 50.916,
    "s": 100,
    "l": 50.784
  },
  "oklch": {
    "l": 0.89078,
    "c": 0.18286,
    "h": 96.1
  },
  "luminance": 0.70894
}

Semantic roles & 50–950 ramp

primary

#FFD904

secondary

#192B8E

accent

#49FF29

background

#FFFEFB

surface

#FFFCF1

border

#D7D5CB

text

#191509

muted

#87847D

Preview Lab

Preview with #FFD904

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

Preview Lab → · Contrast checker → · Palette generator →