#FEFF54#FEFF54

#FEFF54 is a very light, vivid yellow. Relative luminance 0.932; OKLCH L 97.0% C 0.184 H 109.7°. Best body text is #000000 at 19.65:1 contrast (WCAG AA passes).

Color values

HEX	#FEFF54
RGB	rgb(254, 255, 84)
HSL	hsl(60, 100%, 66%)
HSV	hsv(60, 67%, 100%)
CMYK	cmyk(0.4%, 0%, 67.1%, 0%)
CIE-LAB	lab(97.32, -19.87, 77.56)
CIE-LCH	lch(97.32, 80.07, 104.37°)
OKLab	oklab(97.01% -0.0621 0.1732)
OKLCH	oklch(97.01% 0.184 109.7)
XYZ	xyz(78.2359, 93.2331, 22.2604)
Luminance	0.9323 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEFF54 #5554FF

analogous

#FFAB54 #FEFF54 #A9FF54

triadic

#FEFF54 #54FEFF #FF54FE

tetradic

#FEFF54 #54FFAB #5554FF #FF54A9

square

#FEFF54 #54FFAB #5554FF #FF54A9

split-complementary

#FEFF54 #54A9FF #AB54FF

monochromatic

#D7D900 #FEFF17 #FEFF54 #FEFF91 #FFFFCE

Accessibility & contrast

On white

1.07

#FEFF54 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.65

#FEFF54 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEFF54

19.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEFF54	#FFFFFF	#000000	##000000
##FEFF54	1.00	1.07	19.65	19.65
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.65	21.00	1.00	1.00
##000000	19.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF439

Deuteranopia (green-blind)

#FFFA60

Tritanopia (blue-blind)

#FFEFDD

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #feff54;
/* rgb */ color: rgb(254, 255, 84);
/* oklch */ color: oklch(97.0% 0.184 109.7);

Tailwind

colors: {
  custom: {
    50: '#ffff8d',
    500: '#feff54',
    950: '#000000',
  },
}

SCSS

$custom: #feff54;
$custom-light: #ffff8d;
$custom-dark: #000000;

JSON

{
  "hex": "#feff54",
  "rgb": {
    "r": 254,
    "g": 255,
    "b": 84
  },
  "hsl": {
    "h": 60.351,
    "s": 100,
    "l": 66.471
  },
  "oklch": {
    "l": 0.97008,
    "c": 0.18403,
    "h": 109.7
  },
  "luminance": 0.93231
}

Semantic roles & 50–950 ramp

primary

#FEFF54

secondary

#2625D2

accent

#00E601

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#19170D

muted

#87857F

Preview Lab

Preview with #FEFF54

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

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