#EFE66F#EFE66F

#EFE66F is a very light, vivid yellow. Relative luminance 0.761; OKLCH L 90.9% C 0.141 H 104.9°. Best body text is #000000 at 16.22:1 contrast (WCAG AA passes).

Color values

HEX	#EFE66F
RGB	rgb(239, 230, 111)
HSL	hsl(56, 80%, 69%)
HSV	hsv(56, 54%, 94%)
CMYK	cmyk(0%, 3.8%, 53.6%, 6.3%)
CIE-LAB	lab(89.90, -12.01, 58.18)
CIE-LCH	lch(89.90, 59.41, 101.66°)
OKLab	oklab(90.88% -0.0362 0.136)
OKLCH	oklch(90.88% 0.141 104.9)
XYZ	xyz(66.7646, 76.0942, 26.2066)
Luminance	0.7609 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE66F #6F78EF

analogous

#EFA66F #EFE66F #B8EF6F

triadic

#EFE66F #6FEFE6 #E66FEF

tetradic

#EFE66F #6FEFA6 #6F78EF #EF6FB8

square

#EFE66F #6FEFA6 #6F78EF #EF6FB8

split-complementary

#EFE66F #6FB8EF #A66FEF

monochromatic

#CDC017 #E9DC38 #EFE66F #F5F0A6 #FBF9DD

Accessibility & contrast

On white

1.29

#EFE66F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.22

#EFE66F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE66F

16.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE66F	#FFFFFF	#000000	##000000
##EFE66F	1.00	1.29	16.22	16.22
#FFFFFF	1.29	1.00	21.00	21.00
#000000	16.22	21.00	1.00	1.00
##000000	16.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DF63

Deuteranopia (green-blind)

#FBE575

Tritanopia (blue-blind)

#FED9CB

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #efe66f;
/* rgb */ color: rgb(239, 230, 111);
/* oklch */ color: oklch(90.9% 0.141 104.9);

Tailwind

colors: {
  custom: {
    50: '#f7ed9c',
    500: '#efe66f',
    950: '#000000',
  },
}

SCSS

$custom: #efe66f;
$custom-light: #f7ed9c;
$custom-dark: #000000;

JSON

{
  "hex": "#efe66f",
  "rgb": {
    "r": 239,
    "g": 230,
    "b": 111
  },
  "hsl": {
    "h": 55.781,
    "s": 80,
    "l": 68.627
  },
  "oklch": {
    "l": 0.9088,
    "c": 0.14077,
    "h": 104.9
  },
  "luminance": 0.76092
}

Semantic roles & 50–950 ramp

primary

#EFE66F

secondary

#3B45C8

accent

#18DC09

background

#FFFEFC

surface

#FFFDF5

border

#D7D5CF

text

#17160E

muted

#85847F

Preview Lab

Preview with #EFE66F

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

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