#EFEA66#EFEA66

#EFEA66 is a very light, vivid yellow. Relative luminance 0.782; OKLCH L 91.6% C 0.153 H 107.0°. Best body text is #000000 at 16.63:1 contrast (WCAG AA passes).

Color values

HEX	#EFEA66
RGB	rgb(239, 234, 102)
HSL	hsl(58, 81%, 67%)
HSV	hsv(58, 57%, 94%)
CMYK	cmyk(0%, 2.1%, 57.3%, 6.3%)
CIE-LAB	lab(90.85, -14.65, 63.24)
CIE-LCH	lch(90.85, 64.92, 103.04°)
OKLab	oklab(91.61% -0.0447 0.1459)
OKLCH	oklch(91.61% 0.153 107)
XYZ	xyz(67.4198, 78.1577, 24.1023)
Luminance	0.7816 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEA66 #666BEF

analogous

#EFA666 #EFEA66 #B0EF66

triadic

#EFEA66 #66EFEA #EA66EF

tetradic

#EFEA66 #66EFA6 #666BEF #EF66B0

square

#EFEA66 #66EFA6 #666BEF #EF66B0

split-complementary

#EFEA66 #66B0EF #A666EF

monochromatic

#C6BF15 #E9E22F #EFEA66 #F5F29D #FBF9D5

Accessibility & contrast

On white

1.26

#EFEA66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.63

#EFEA66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEA66

16.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEA66	#FFFFFF	#000000	##000000
##EFEA66	1.00	1.26	16.63	16.63
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.63	21.00	1.00	1.00
##000000	16.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE258

Deuteranopia (green-blind)

#FEE76D

Tritanopia (blue-blind)

#FFDCCD

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #efea66;
/* rgb */ color: rgb(239, 234, 102);
/* oklch */ color: oklch(91.6% 0.153 107.0);

Tailwind

colors: {
  custom: {
    50: '#f7f096',
    500: '#efea66',
    950: '#000000',
  },
}

SCSS

$custom: #efea66;
$custom-light: #f7f096;
$custom-dark: #000000;

JSON

{
  "hex": "#efea66",
  "rgb": {
    "r": 239,
    "g": 234,
    "b": 102
  },
  "hsl": {
    "h": 57.81,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.91607,
    "c": 0.15257,
    "h": 107
  },
  "luminance": 0.78156
}

Semantic roles & 50–950 ramp

primary

#EFEA66

secondary

#363BC3

accent

#10DD08

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18160E

muted

#86857F

Preview Lab

Preview with #EFEA66

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

Preview Lab → · Contrast checker → · Palette generator →