#FFE451#FFE451

#FFE451 is a very light, vivid yellow. Relative luminance 0.773; OKLCH L 91.6% C 0.162 H 98.7°. Best body text is #000000 at 16.47:1 contrast (WCAG AA passes).

Color values

HEX	#FFE451
RGB	rgb(255, 228, 81)
HSL	hsl(51, 100%, 66%)
HSV	hsv(51, 68%, 100%)
CMYK	cmyk(0%, 10.6%, 68.2%, 0%)
CIE-LAB	lab(90.48, -6.42, 71.82)
CIE-LCH	lch(90.48, 72.11, 95.11°)
OKLab	oklab(91.58% -0.0244 0.1606)
OKLCH	oklch(91.58% 0.162 98.7)
XYZ	xyz(70.4719, 77.3443, 18.9999)
Luminance	0.7734 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFE451 #516CFF

analogous

#FF8D51 #FFE451 #C3FF51

triadic

#FFE451 #51FFE4 #E451FF

tetradic

#FFE451 #51FF8D #516CFF #FF51C3

square

#FFE451 #51FF8D #516CFF #FF51C3

split-complementary

#FFE451 #51C3FF #8D51FF

monochromatic

#D6B400 #FFDB14 #FFE451 #FFED8E #FFF7CB

Accessibility & contrast

On white

1.28

#FFE451 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.47

#FFE451 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFE451

16.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFE451	#FFFFFF	#000000	##000000
##FFE451	1.00	1.28	16.47	16.47
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.47	21.00	1.00	1.00
##000000	16.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FADE3C

Deuteranopia (green-blind)

#FFE85A

Tritanopia (blue-blind)

#FFD4C6

Achromatopsia (no color)

#E4E4E4

Design tokens & code

CSS

--color: #ffe451;
/* rgb */ color: rgb(255, 228, 81);
/* oklch */ color: oklch(91.6% 0.162 98.7);

Tailwind

colors: {
  custom: {
    50: '#ffec8a',
    500: '#ffe451',
    950: '#000000',
  },
}

SCSS

$custom: #ffe451;
$custom-light: #ffec8a;
$custom-dark: #000000;

JSON

{
  "hex": "#ffe451",
  "rgb": {
    "r": 255,
    "g": 228,
    "b": 81
  },
  "hsl": {
    "h": 50.69,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.91577,
    "c": 0.16247,
    "h": 98.7
  },
  "luminance": 0.77341
}

Semantic roles & 50–950 ramp

primary

#FFE451

secondary

#253FD0

accent

#24E600

background

#FFFEFC

surface

#FFFDF4

border

#D7D5CE

text

#19160C

muted

#87847F

Preview Lab

Preview with #FFE451

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

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