#FFDD51#FFDD51

#FFDD51 is a very light, vivid yellow. Relative luminance 0.736; OKLCH L 90.2% C 0.157 H 95.3°. Best body text is #000000 at 15.71:1 contrast (WCAG AA passes).

Color values

HEX	#FFDD51
RGB	rgb(255, 221, 81)
HSL	hsl(48, 100%, 66%)
HSV	hsv(48, 68%, 100%)
CMYK	cmyk(0%, 13.3%, 68.2%, 0%)
CIE-LAB	lab(88.72, -2.91, 70.04)
CIE-LCH	lch(88.72, 70.10, 92.38°)
OKLab	oklab(90.18% -0.0144 0.1568)
OKLCH	oklch(90.18% 0.157 95.3)
XYZ	xyz(68.5851, 73.5706, 18.3710)
Luminance	0.7357 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFDD51 #5173FF

analogous

#FF8651 #FFDD51 #CAFF51

triadic

#FFDD51 #51FFDD #DD51FF

tetradic

#FFDD51 #51FF86 #5173FF #FF51CA

square

#FFDD51 #51FF86 #5173FF #FF51CA

split-complementary

#FFDD51 #51CAFF #8651FF

monochromatic

#D6AC00 #FFD114 #FFDD51 #FFE98E #FFF5CB

Accessibility & contrast

On white

1.34

#FFDD51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.71

#FFDD51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFDD51

15.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFDD51	#FFFFFF	#000000	##000000
##FFDD51	1.00	1.34	15.71	15.71
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.71	21.00	1.00	1.00
##000000	15.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F3D93E

Deuteranopia (green-blind)

#FCE359

Tritanopia (blue-blind)

#FFCCC0

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #ffdd51;
/* rgb */ color: rgb(255, 221, 81);
/* oklch */ color: oklch(90.2% 0.157 95.3);

Tailwind

colors: {
  custom: {
    50: '#ffe789',
    500: '#ffdd51',
    950: '#000000',
  },
}

SCSS

$custom: #ffdd51;
$custom-light: #ffe789;
$custom-dark: #000000;

JSON

{
  "hex": "#ffdd51",
  "rgb": {
    "r": 255,
    "g": 221,
    "b": 81
  },
  "hsl": {
    "h": 48.276,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.90183,
    "c": 0.15749,
    "h": 95.3
  },
  "luminance": 0.73567
}

Semantic roles & 50–950 ramp

primary

#FFDD51

secondary

#2546D0

accent

#2DE600

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#19150C

muted

#87847F

Preview Lab

Preview with #FFDD51

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

Preview Lab → · Contrast checker → · Palette generator →