#EFEC56#EFEC56

#EFEC56 is a very light, vivid yellow. Relative luminance 0.790; OKLCH L 91.9% C 0.167 H 108.2°. Best body text is #000000 at 16.80:1 contrast (WCAG AA passes).

Color values

HEX	#EFEC56
RGB	rgb(239, 236, 86)
HSL	hsl(59, 83%, 64%)
HSV	hsv(59, 64%, 94%)
CMYK	cmyk(0%, 1.3%, 64%, 6.3%)
CIE-LAB	lab(91.24, -16.65, 70.25)
CIE-LCH	lch(91.24, 72.20, 103.34°)
OKLab	oklab(91.88% -0.052 0.1586)
OKLCH	oklch(91.88% 0.167 108.2)
XYZ	xyz(67.2741, 79.0156, 20.5101)
Luminance	0.7901 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEC56 #5659EF

analogous

#EF9F56 #EFEC56 #A5EF56

triadic

#EFEC56 #56EFEC #EC56EF

tetradic

#EFEC56 #56EF9F #5659EF #EF56A5

square

#EFEC56 #56EF9F #5659EF #EF56A5

split-complementary

#EFEC56 #56A5EF #9F56EF

monochromatic

#B9B612 #EAE61E #EFEC56 #F4F28E #FAF9C6

Accessibility & contrast

On white

1.25

#EFEC56 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.80

#EFEC56 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEC56

16.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEC56	#FFFFFF	#000000	##000000
##EFEC56	1.00	1.25	16.80	16.80
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.80	21.00	1.00	1.00
##000000	16.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE342

Deuteranopia (green-blind)

#FFE860

Tritanopia (blue-blind)

#FFDECD

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #efec56;
/* rgb */ color: rgb(239, 236, 86);
/* oklch */ color: oklch(91.9% 0.167 108.2);

Tailwind

colors: {
  custom: {
    50: '#f8f18d',
    500: '#efec56',
    950: '#000000',
  },
}

SCSS

$custom: #efec56;
$custom-light: #f8f18d;
$custom-dark: #000000;

JSON

{
  "hex": "#efec56",
  "rgb": {
    "r": 239,
    "g": 236,
    "b": 86
  },
  "hsl": {
    "h": 58.824,
    "s": 82.703,
    "l": 63.725
  },
  "oklch": {
    "l": 0.91876,
    "c": 0.16687,
    "h": 108.2
  },
  "luminance": 0.79014
}

Semantic roles & 50–950 ramp

primary

#EFEC56

secondary

#3134B8

accent

#0BDF06

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18160D

muted

#86857F

Preview Lab

Preview with #EFEC56

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

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