#EFCE66#EFCE66

#EFCE66 is a very light, vivid yellow. Relative luminance 0.635; OKLCH L 85.9% C 0.129 H 91.9°. Best body text is #000000 at 13.69:1 contrast (WCAG AA passes).

Color values

HEX	#EFCE66
RGB	rgb(239, 206, 102)
HSL	hsl(46, 81%, 67%)
HSV	hsv(46, 57%, 94%)
CMYK	cmyk(0%, 13.8%, 57.3%, 6.3%)
CIE-LAB	lab(83.68, -0.58, 55.13)
CIE-LCH	lch(83.68, 55.13, 90.60°)
OKLab	oklab(85.92% -0.0043 0.1285)
OKLCH	oklch(85.92% 0.129 91.9)
XYZ	xyz(60.0687, 63.4557, 21.6520)
Luminance	0.6345 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFCE66 #6687EF

analogous

#EF8966 #EFCE66 #CCEF66

triadic

#EFCE66 #66EFCE #CE66EF

tetradic

#EFCE66 #66EF89 #6687EF #EF66CC

square

#EFCE66 #66EF89 #6687EF #EF66CC

split-complementary

#EFCE66 #66CCEF #8966EF

monochromatic

#C69B15 #E9BC2F #EFCE66 #F5E09D #FBF1D5

Accessibility & contrast

On white

1.53

#EFCE66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.69

#EFCE66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCE66

13.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFCE66	#FFFFFF	#000000	##000000
##EFCE66	1.00	1.53	13.69	13.69
#FFFFFF	1.53	1.00	21.00	21.00
#000000	13.69	21.00	1.00	1.00
##000000	13.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1CB5C

Deuteranopia (green-blind)

#E9D56A

Tritanopia (blue-blind)

#FFC0B7

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #efce66;
/* rgb */ color: rgb(239, 206, 102);
/* oklch */ color: oklch(85.9% 0.129 91.9);

Tailwind

colors: {
  custom: {
    50: '#f7dc95',
    500: '#efce66',
    950: '#000000',
  },
}

SCSS

$custom: #efce66;
$custom-light: #f7dc95;
$custom-dark: #000000;

JSON

{
  "hex": "#efce66",
  "rgb": {
    "r": 239,
    "g": 206,
    "b": 102
  },
  "hsl": {
    "h": 45.547,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.85921,
    "c": 0.12854,
    "h": 91.9
  },
  "luminance": 0.63453
}

Semantic roles & 50–950 ramp

primary

#EFCE66

secondary

#3658C3

accent

#3BDD08

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150D

muted

#86847F

Preview Lab

Preview with #EFCE66

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

Preview Lab → · Contrast checker → · Palette generator →