#EFD666#EFD666

#EFD666 is a very light, vivid yellow. Relative luminance 0.674; OKLCH L 87.5% C 0.134 H 96.9°. Best body text is #000000 at 14.48:1 contrast (WCAG AA passes).

Color values

HEX	#EFD666
RGB	rgb(239, 214, 102)
HSL	hsl(49, 81%, 67%)
HSV	hsv(49, 57%, 94%)
CMYK	cmyk(0%, 10.5%, 57.3%, 6.3%)
CIE-LAB	lab(85.71, -4.66, 57.45)
CIE-LCH	lch(85.71, 57.64, 94.64°)
OKLab	oklab(87.52% -0.0161 0.1335)
OKLCH	oklch(87.52% 0.134 96.9)
XYZ	xyz(62.0439, 67.4059, 22.3103)
Luminance	0.6740 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFD666 #667FEF

analogous

#EF9266 #EFD666 #C4EF66

triadic

#EFD666 #66EFD6 #D666EF

tetradic

#EFD666 #66EF92 #667FEF #EF66C4

square

#EFD666 #66EF92 #667FEF #EF66C4

split-complementary

#EFD666 #66C4EF #9266EF

monochromatic

#C6A615 #E9C72F #EFD666 #F5E59D #FBF4D5

Accessibility & contrast

On white

1.45

#EFD666 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.48

#EFD666 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFD666

14.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFD666	#FFFFFF	#000000	##000000
##EFD666	1.00	1.45	14.48	14.48
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.48	21.00	1.00	1.00
##000000	14.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D15B

Deuteranopia (green-blind)

#EFDA6B

Tritanopia (blue-blind)

#FFC8BD

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #efd666;
/* rgb */ color: rgb(239, 214, 102);
/* oklch */ color: oklch(87.5% 0.134 96.9);

Tailwind

colors: {
  custom: {
    50: '#f7e295',
    500: '#efd666',
    950: '#000000',
  },
}

SCSS

$custom: #efd666;
$custom-light: #f7e295;
$custom-dark: #000000;

JSON

{
  "hex": "#efd666",
  "rgb": {
    "r": 239,
    "g": 214,
    "b": 102
  },
  "hsl": {
    "h": 49.051,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.87523,
    "c": 0.13444,
    "h": 96.9
  },
  "luminance": 0.67403
}

Semantic roles & 50–950 ramp

primary

#EFD666

secondary

#3650C3

accent

#2FDD08

background

#FFFEFC

surface

#FFFCF5

border

#D7D5CF

text

#18150D

muted

#86847F

Preview Lab

Preview with #EFD666

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

Preview Lab → · Contrast checker → · Palette generator →