#EFCD66#EFCD66

#EFCD66 is a very light, vivid yellow. Relative luminance 0.630; OKLCH L 85.7% C 0.128 H 91.3°. Best body text is #000000 at 13.59:1 contrast (WCAG AA passes).

Color values

HEX	#EFCD66
RGB	rgb(239, 205, 102)
HSL	hsl(45, 81%, 67%)
HSV	hsv(45, 57%, 94%)
CMYK	cmyk(0%, 14.2%, 57.3%, 6.3%)
CIE-LAB	lab(83.43, -0.07, 54.84)
CIE-LCH	lch(83.43, 54.84, 90.07°)
OKLab	oklab(85.72% -0.0028 0.1278)
OKLCH	oklch(85.72% 0.128 91.3)
XYZ	xyz(59.8288, 62.9757, 21.5720)
Luminance	0.6297 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFCD66 #6688EF

analogous

#EF8866 #EFCD66 #CDEF66

triadic

#EFCD66 #66EFCD #CD66EF

tetradic

#EFCD66 #66EF88 #6688EF #EF66CD

square

#EFCD66 #66EF88 #6688EF #EF66CD

split-complementary

#EFCD66 #66CDEF #8866EF

monochromatic

#C69A15 #E9BB2F #EFCD66 #F5DF9D #FBF1D5

Accessibility & contrast

On white

1.54

#EFCD66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.59

#EFCD66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCD66

13.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFCD66	#FFFFFF	#000000	##000000
##EFCD66	1.00	1.54	13.59	13.59
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.59	21.00	1.00	1.00
##000000	13.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0CA5C

Deuteranopia (green-blind)

#E9D46A

Tritanopia (blue-blind)

#FFBFB6

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #efcd66;
/* rgb */ color: rgb(239, 205, 102);
/* oklch */ color: oklch(85.7% 0.128 91.3);

Tailwind

colors: {
  custom: {
    50: '#f7dc95',
    500: '#efcd66',
    950: '#000000',
  },
}

SCSS

$custom: #efcd66;
$custom-light: #f7dc95;
$custom-dark: #000000;

JSON

{
  "hex": "#efcd66",
  "rgb": {
    "r": 239,
    "g": 205,
    "b": 102
  },
  "hsl": {
    "h": 45.109,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.85722,
    "c": 0.12787,
    "h": 91.3
  },
  "luminance": 0.62973
}

Semantic roles & 50–950 ramp

primary

#EFCD66

secondary

#3659C3

accent

#3DDD08

background

#FFFEFC

surface

#FFFBF4

border

#D7D4CE

text

#18150D

muted

#86847F

Preview Lab

Preview with #EFCD66

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

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