#EFDD66#EFDD66

#EFDD66 is a very light, vivid yellow. Relative luminance 0.710; OKLCH L 88.9% C 0.140 H 100.8°. Best body text is #000000 at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#EFDD66
RGB	rgb(239, 221, 102)
HSL	hsl(52, 81%, 67%)
HSV	hsv(52, 57%, 94%)
CMYK	cmyk(0%, 7.5%, 57.3%, 6.3%)
CIE-LAB	lab(87.50, -8.20, 59.48)
CIE-LCH	lch(87.50, 60.04, 97.85°)
OKLab	oklab(88.94% -0.0263 0.1378)
OKLCH	oklch(88.94% 0.14 100.8)
XYZ	xyz(63.8536, 71.0254, 22.9136)
Luminance	0.7102 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFDD66 #6678EF

analogous

#EF9966 #EFDD66 #BDEF66

triadic

#EFDD66 #66EFDD #DD66EF

tetradic

#EFDD66 #66EF99 #6678EF #EF66BD

square

#EFDD66 #66EF99 #6678EF #EF66BD

split-complementary

#EFDD66 #66BDEF #9966EF

monochromatic

#C6AF15 #E9D12F #EFDD66 #F5E99D #FBF6D5

Accessibility & contrast

On white

1.38

#EFDD66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.20

#EFDD66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFDD66

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFDD66	#FFFFFF	#000000	##000000
##EFDD66	1.00	1.38	15.20	15.20
#FFFFFF	1.38	1.00	21.00	21.00
#000000	15.20	21.00	1.00	1.00
##000000	15.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD75A

Deuteranopia (green-blind)

#F5DF6C

Tritanopia (blue-blind)

#FFCFC3

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #efdd66;
/* rgb */ color: rgb(239, 221, 102);
/* oklch */ color: oklch(88.9% 0.140 100.8);

Tailwind

colors: {
  custom: {
    50: '#f7e795',
    500: '#efdd66',
    950: '#000000',
  },
}

SCSS

$custom: #efdd66;
$custom-light: #f7e795;
$custom-dark: #000000;

JSON

{
  "hex": "#efdd66",
  "rgb": {
    "r": 239,
    "g": 221,
    "b": 102
  },
  "hsl": {
    "h": 52.117,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.88941,
    "c": 0.14031,
    "h": 100.8
  },
  "luminance": 0.71023
}

Semantic roles & 50–950 ramp

primary

#EFDD66

secondary

#3648C3

accent

#24DD08

background

#FFFEFC

surface

#FFFCF5

border

#D7D5CF

text

#18160E

muted

#86847F

Preview Lab

Preview with #EFDD66

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

Preview Lab → · Contrast checker → · Palette generator →