#EFD166#EFD166

#EFD166 is a very light, vivid yellow. Relative luminance 0.649; OKLCH L 86.5% C 0.131 H 93.8°. Best body text is #000000 at 13.98:1 contrast (WCAG AA passes).

Color values

HEX	#EFD166
RGB	rgb(239, 209, 102)
HSL	hsl(47, 81%, 67%)
HSV	hsv(47, 57%, 94%)
CMYK	cmyk(0%, 12.6%, 57.3%, 6.3%)
CIE-LAB	lab(84.44, -2.12, 56.00)
CIE-LCH	lch(84.44, 56.04, 92.17°)
OKLab	oklab(86.52% -0.0088 0.1304)
OKLCH	oklch(86.52% 0.131 93.8)
XYZ	xyz(60.7979, 64.9139, 21.8950)
Luminance	0.6491 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFD166 #6684EF

analogous

#EF8D66 #EFD166 #C9EF66

triadic

#EFD166 #66EFD1 #D166EF

tetradic

#EFD166 #66EF8D #6684EF #EF66C9

square

#EFD166 #66EF8D #6684EF #EF66C9

split-complementary

#EFD166 #66C9EF #8D66EF

monochromatic

#C69F15 #E9C02F #EFD166 #F5E29D #FBF2D5

Accessibility & contrast

On white

1.50

#EFD166 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.98

#EFD166 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFD166

13.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFD166	#FFFFFF	#000000	##000000
##EFD166	1.00	1.50	13.98	13.98
#FFFFFF	1.50	1.00	21.00	21.00
#000000	13.98	21.00	1.00	1.00
##000000	13.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E4CD5B

Deuteranopia (green-blind)

#ECD76B

Tritanopia (blue-blind)

#FFC3B9

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #efd166;
/* rgb */ color: rgb(239, 209, 102);
/* oklch */ color: oklch(86.5% 0.131 93.8);

Tailwind

colors: {
  custom: {
    50: '#f7de95',
    500: '#efd166',
    950: '#000000',
  },
}

SCSS

$custom: #efd166;
$custom-light: #f7de95;
$custom-dark: #000000;

JSON

{
  "hex": "#efd166",
  "rgb": {
    "r": 239,
    "g": 209,
    "b": 102
  },
  "hsl": {
    "h": 46.861,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.8652,
    "c": 0.13064,
    "h": 93.8
  },
  "luminance": 0.64911
}

Semantic roles & 50–950 ramp

primary

#EFD166

secondary

#3655C3

accent

#37DD08

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150D

muted

#86847F

Preview Lab

Preview with #EFD166

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

Preview Lab → · Contrast checker → · Palette generator →