#FFFF45#FFFF45

#FFFF45 is a very light, vivid yellow. Relative luminance 0.932; OKLCH L 97.0% C 0.192 H 109.5°. Best body text is #000000 at 19.64:1 contrast (WCAG AA passes).

Color values

HEX	#FFFF45
RGB	rgb(255, 255, 69)
HSL	hsl(60, 100%, 64%)
HSV	hsv(60, 73%, 100%)
CMYK	cmyk(0%, 0%, 72.9%, 0%)
CIE-LAB	lab(97.31, -20.15, 82.62)
CIE-LCH	lch(97.31, 85.04, 103.71°)
OKLab	oklab(96.99% -0.0643 0.1814)
OKLCH	oklch(96.99% 0.192 109.5)
XYZ	xyz(78.0771, 93.2120, 19.5080)
Luminance	0.9321 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFFF45 #4545FF

analogous

#FFA245 #FFFF45 #A2FF45

triadic

#FFFF45 #45FFFF #FF45FF

tetradic

#FFFF45 #45FFA2 #4545FF #FF45A2

square

#FFFF45 #45FFA2 #4545FF #FF45A2

split-complementary

#FFFF45 #45A2FF #A245FF

monochromatic

#CACA00 #FFFF08 #FFFF45 #FFFF82 #FFFFBF

Accessibility & contrast

On white

1.07

#FFFF45 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.64

#FFFF45 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFFF45

19.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFFF45	#FFFFFF	#000000	##000000
##FFFF45	1.00	1.07	19.64	19.64
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.64	21.00	1.00	1.00
##000000	19.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF41A

Deuteranopia (green-blind)

#FFFA54

Tritanopia (blue-blind)

#FFEFDC

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #ffff45;
/* rgb */ color: rgb(255, 255, 69);
/* oklch */ color: oklch(97.0% 0.192 109.5);

Tailwind

colors: {
  custom: {
    50: '#ffff86',
    500: '#ffff45',
    950: '#000000',
  },
}

SCSS

$custom: #ffff45;
$custom-light: #ffff86;
$custom-dark: #000000;

JSON

{
  "hex": "#ffff45",
  "rgb": {
    "r": 255,
    "g": 255,
    "b": 69
  },
  "hsl": {
    "h": 60,
    "s": 100,
    "l": 63.529
  },
  "oklch": {
    "l": 0.96993,
    "c": 0.19246,
    "h": 109.5
  },
  "luminance": 0.9321
}

Semantic roles & 50–950 ramp

primary

#FFFF45

secondary

#2323C5

accent

#00E600

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#19170C

muted

#87857F

Preview Lab

Preview with #FFFF45

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

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