#FFF940#FFF940

#FFF940 is a very light, vivid yellow. Relative luminance 0.894; OKLCH L 95.7% C 0.190 H 107.6°. Best body text is #000000 at 18.88:1 contrast (WCAG AA passes).

Color values

HEX	#FFF940
RGB	rgb(255, 249, 64)
HSL	hsl(58, 100%, 63%)
HSV	hsv(58, 75%, 100%)
CMYK	cmyk(0%, 2.4%, 74.9%, 0%)
CIE-LAB	lab(95.74, -17.47, 82.69)
CIE-LCH	lch(95.74, 84.52, 101.93°)
OKLab	oklab(95.73% -0.0572 0.1807)
OKLCH	oklch(95.73% 0.19 107.6)
XYZ	xyz(76.0442, 89.3842, 18.0967)
Luminance	0.8938 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFF940 #4046FF

analogous

#FF9940 #FFF940 #A6FF40

triadic

#FFF940 #40FFF9 #F940FF

tetradic

#FFF940 #40FF99 #4046FF #FF40A6

square

#FFF940 #40FF99 #4046FF #FF40A6

split-complementary

#FFF940 #40A6FF #9940FF

monochromatic

#C5BE00 #FFF703 #FFF940 #FFFB7D #FFFDBA

Accessibility & contrast

On white

1.11

#FFF940 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.88

#FFF940 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFF940

18.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFF940	#FFFFFF	#000000	##000000
##FFF940	1.00	1.11	18.88	18.88
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.88	21.00	1.00	1.00
##000000	18.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF0E

Deuteranopia (green-blind)

#FFF64F

Tritanopia (blue-blind)

#FFE9D6

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #fff940;
/* rgb */ color: rgb(255, 249, 64);
/* oklch */ color: oklch(95.7% 0.190 107.6);

Tailwind

colors: {
  custom: {
    50: '#fffa83',
    500: '#fff940',
    950: '#000000',
  },
}

SCSS

$custom: #fff940;
$custom-light: #fffa83;
$custom-dark: #000000;

JSON

{
  "hex": "#fff940",
  "rgb": {
    "r": 255,
    "g": 249,
    "b": 64
  },
  "hsl": {
    "h": 58.115,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.95729,
    "c": 0.18955,
    "h": 107.6
  },
  "luminance": 0.89382
}

Semantic roles & 50–950 ramp

primary

#FFF940

secondary

#2227C1

accent

#07E600

background

#FFFFFC

surface

#FFFFF3

border

#D7D7CD

text

#19170C

muted

#87857F

Preview Lab

Preview with #FFF940

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

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