#EFEE66#EFEE66

#EFEE66 is a very light, vivid yellow. Relative luminance 0.805; OKLCH L 92.4% C 0.157 H 108.7°. Best body text is #000000 at 17.09:1 contrast (WCAG AA passes).

Color values

HEX	#EFEE66
RGB	rgb(239, 238, 102)
HSL	hsl(60, 81%, 67%)
HSV	hsv(60, 57%, 94%)
CMYK	cmyk(0%, 0.4%, 57.3%, 6.3%)
CIE-LAB	lab(91.89, -16.61, 64.40)
CIE-LCH	lch(91.89, 66.50, 104.46°)
OKLab	oklab(92.44% -0.0503 0.1483)
OKLCH	oklch(92.44% 0.157 108.7)
XYZ	xyz(68.5714, 80.4610, 24.4862)
Luminance	0.8046 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEE66 #6667EF

analogous

#EFAA66 #EFEE66 #ACEF66

triadic

#EFEE66 #66EFEE #EE66EF

tetradic

#EFEE66 #66EFAA #6667EF #EF66AC

square

#EFEE66 #66EFAA #6667EF #EF66AC

split-complementary

#EFEE66 #66ACEF #AA66EF

monochromatic

#C6C515 #E9E82F #EFEE66 #F5F49D #FBFAD5

Accessibility & contrast

On white

1.23

#EFEE66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.09

#EFEE66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEE66

17.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEE66	#FFFFFF	#000000	##000000
##EFEE66	1.00	1.23	17.09	17.09
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.09	21.00	1.00	1.00
##000000	17.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE557

Deuteranopia (green-blind)

#FFEA6E

Tritanopia (blue-blind)

#FEE0D1

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #efee66;
/* rgb */ color: rgb(239, 238, 102);
/* oklch */ color: oklch(92.4% 0.157 108.7);

Tailwind

colors: {
  custom: {
    50: '#f7f396',
    500: '#efee66',
    950: '#000000',
  },
}

SCSS

$custom: #efee66;
$custom-light: #f7f396;
$custom-dark: #000000;

JSON

{
  "hex": "#efee66",
  "rgb": {
    "r": 239,
    "g": 238,
    "b": 102
  },
  "hsl": {
    "h": 59.562,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.92436,
    "c": 0.15661,
    "h": 108.7
  },
  "luminance": 0.80459
}

Semantic roles & 50–950 ramp

primary

#EFEE66

secondary

#3637C3

accent

#0ADD08

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFEE66

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

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