#EFDC66#EFDC66

#EFDC66 is a very light, vivid yellow. Relative luminance 0.705; OKLCH L 88.7% C 0.139 H 100.3°. Best body text is #000000 at 15.10:1 contrast (WCAG AA passes).

Color values

HEX	#EFDC66
RGB	rgb(239, 220, 102)
HSL	hsl(52, 81%, 67%)
HSV	hsv(52, 57%, 94%)
CMYK	cmyk(0%, 7.9%, 57.3%, 6.3%)
CIE-LAB	lab(87.24, -7.70, 59.19)
CIE-LCH	lch(87.24, 59.69, 97.41°)
OKLab	oklab(88.74% -0.0248 0.1372)
OKLCH	oklch(88.74% 0.139 100.3)
XYZ	xyz(63.5904, 70.4990, 22.8258)
Luminance	0.7050 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFDC66 #6679EF

analogous

#EF9866 #EFDC66 #BEEF66

triadic

#EFDC66 #66EFDC #DC66EF

tetradic

#EFDC66 #66EF98 #6679EF #EF66BE

square

#EFDC66 #66EF98 #6679EF #EF66BE

split-complementary

#EFDC66 #66BEEF #9866EF

monochromatic

#C6AD15 #E9CF2F #EFDC66 #F5E99D #FBF5D5

Accessibility & contrast

On white

1.39

#EFDC66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.10

#EFDC66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFDC66

15.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFDC66	#FFFFFF	#000000	##000000
##EFDC66	1.00	1.39	15.10	15.10
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.10	21.00	1.00	1.00
##000000	15.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED65A

Deuteranopia (green-blind)

#F4DE6C

Tritanopia (blue-blind)

#FFCEC2

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #efdc66;
/* rgb */ color: rgb(239, 220, 102);
/* oklch */ color: oklch(88.7% 0.139 100.3);

Tailwind

colors: {
  custom: {
    50: '#f7e695',
    500: '#efdc66',
    950: '#000000',
  },
}

SCSS

$custom: #efdc66;
$custom-light: #f7e695;
$custom-dark: #000000;

JSON

{
  "hex": "#efdc66",
  "rgb": {
    "r": 239,
    "g": 220,
    "b": 102
  },
  "hsl": {
    "h": 51.679,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.88738,
    "c": 0.13944,
    "h": 100.3
  },
  "luminance": 0.70496
}

Semantic roles & 50–950 ramp

primary

#EFDC66

secondary

#364AC3

accent

#26DD08

background

#FFFEFC

surface

#FFFCF5

border

#D7D5CF

text

#18150E

muted

#86847F

Preview Lab

Preview with #EFDC66

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

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