#EFCF64#EFCF64

#EFCF64 is a very light, vivid yellow. Relative luminance 0.639; OKLCH L 86.1% C 0.131 H 92.8°. Best body text is #000000 at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#EFCF64
RGB	rgb(239, 207, 100)
HSL	hsl(46, 81%, 66%)
HSV	hsv(46, 58%, 94%)
CMYK	cmyk(0%, 13.4%, 58.2%, 6.3%)
CIE-LAB	lab(83.91, -1.24, 56.32)
CIE-LCH	lch(83.91, 56.33, 91.26°)
OKLab	oklab(86.1% -0.0065 0.1308)
OKLCH	oklch(86.1% 0.131 92.8)
XYZ	xyz(60.2123, 63.8995, 21.2164)
Luminance	0.6390 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFCF64 #6484EF

analogous

#EF8A64 #EFCF64 #CAEF64

triadic

#EFCF64 #64EFCF #CF64EF

tetradic

#EFCF64 #64EF8A #6484EF #EF64CA

square

#EFCF64 #64EF8A #6484EF #EF64CA

split-complementary

#EFCF64 #64CAEF #8A64EF

monochromatic

#C49C14 #E9BE2D #EFCF64 #F5E09B #FAF1D3

Accessibility & contrast

On white

1.52

#EFCF64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.78

#EFCF64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCF64

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFCF64	#FFFFFF	#000000	##000000
##EFCF64	1.00	1.52	13.78	13.78
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.78	21.00	1.00	1.00
##000000	13.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2CC59

Deuteranopia (green-blind)

#EAD569

Tritanopia (blue-blind)

#FFC1B7

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #efcf64;
/* rgb */ color: rgb(239, 207, 100);
/* oklch */ color: oklch(86.1% 0.131 92.8);

Tailwind

colors: {
  custom: {
    50: '#f7dd93',
    500: '#efcf64',
    950: '#000000',
  },
}

SCSS

$custom: #efcf64;
$custom-light: #f7dd93;
$custom-dark: #000000;

JSON

{
  "hex": "#efcf64",
  "rgb": {
    "r": 239,
    "g": 207,
    "b": 100
  },
  "hsl": {
    "h": 46.187,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.86098,
    "c": 0.13096,
    "h": 92.8
  },
  "luminance": 0.63896
}

Semantic roles & 50–950 ramp

primary

#EFCF64

secondary

#3556C2

accent

#39DE08

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150D

muted

#86847F

Preview Lab

Preview with #EFCF64

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

Preview Lab → · Contrast checker → · Palette generator →