#EFE566#EFE566

#EFE566 is a very light, vivid yellow. Relative luminance 0.753; OKLCH L 90.6% C 0.148 H 104.8°. Best body text is #000000 at 16.07:1 contrast (WCAG AA passes).

Color values

HEX	#EFE566
RGB	rgb(239, 229, 102)
HSL	hsl(56, 81%, 67%)
HSV	hsv(56, 57%, 94%)
CMYK	cmyk(0%, 4.2%, 57.3%, 6.3%)
CIE-LAB	lab(89.56, -12.19, 61.80)
CIE-LCH	lch(89.56, 62.99, 101.16°)
OKLab	oklab(90.58% -0.0377 0.1428)
OKLCH	oklch(90.58% 0.148 104.8)
XYZ	xyz(66.0164, 75.3509, 23.6345)
Luminance	0.7535 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE566 #6670EF

analogous

#EFA066 #EFE566 #B5EF66

triadic

#EFE566 #66EFE5 #E566EF

tetradic

#EFE566 #66EFA0 #6670EF #EF66B5

square

#EFE566 #66EFA0 #6670EF #EF66B5

split-complementary

#EFE566 #66B5EF #A066EF

monochromatic

#C6B915 #E9DC2F #EFE566 #F5EE9D #FBF8D5

Accessibility & contrast

On white

1.31

#EFE566 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.07

#EFE566 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE566

16.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE566	#FFFFFF	#000000	##000000
##EFE566	1.00	1.31	16.07	16.07
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.07	21.00	1.00	1.00
##000000	16.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DE58

Deuteranopia (green-blind)

#FBE46D

Tritanopia (blue-blind)

#FFD7C9

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #efe566;
/* rgb */ color: rgb(239, 229, 102);
/* oklch */ color: oklch(90.6% 0.148 104.8);

Tailwind

colors: {
  custom: {
    50: '#f7ed96',
    500: '#efe566',
    950: '#000000',
  },
}

SCSS

$custom: #efe566;
$custom-light: #f7ed96;
$custom-dark: #000000;

JSON

{
  "hex": "#efe566",
  "rgb": {
    "r": 239,
    "g": 229,
    "b": 102
  },
  "hsl": {
    "h": 55.62,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.90577,
    "c": 0.14768,
    "h": 104.8
  },
  "luminance": 0.75349
}

Semantic roles & 50–950 ramp

primary

#EFE566

secondary

#3640C3

accent

#18DD08

background

#FFFEFC

surface

#FFFDF5

border

#D7D5CF

text

#18160E

muted

#86847F

Preview Lab

Preview with #EFE566

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

Preview Lab → · Contrast checker → · Palette generator →