#EFDB64#EFDB64

#EFDB64 is a very light, vivid yellow. Relative luminance 0.699; OKLCH L 88.5% C 0.140 H 99.9°. Best body text is #000000 at 14.99:1 contrast (WCAG AA passes).

Color values

HEX	#EFDB64
RGB	rgb(239, 219, 100)
HSL	hsl(51, 81%, 66%)
HSV	hsv(51, 58%, 94%)
CMYK	cmyk(0%, 8.4%, 58.2%, 6.3%)
CIE-LAB	lab(86.97, -7.34, 59.77)
CIE-LCH	lch(86.97, 60.22, 97.00°)
OKLab	oklab(88.51% -0.024 0.1382)
OKLCH	oklch(88.51% 0.14 99.9)
XYZ	xyz(63.2308, 69.9364, 22.2225)
Luminance	0.6993 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFDB64 #6478EF

analogous

#EF9664 #EFDB64 #BEEF64

triadic

#EFDB64 #64EFDB #DB64EF

tetradic

#EFDB64 #64EF96 #6478EF #EF64BE

square

#EFDB64 #64EF96 #6478EF #EF64BE

split-complementary

#EFDB64 #64BEEF #9664EF

monochromatic

#C4AB14 #E9CE2D #EFDB64 #F5E89B #FAF5D3

Accessibility & contrast

On white

1.40

#EFDB64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.99

#EFDB64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFDB64

14.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFDB64	#FFFFFF	#000000	##000000
##EFDB64	1.00	1.40	14.99	14.99
#FFFFFF	1.40	1.00	21.00	21.00
#000000	14.99	21.00	1.00	1.00
##000000	14.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED558

Deuteranopia (green-blind)

#F3DD6A

Tritanopia (blue-blind)

#FFCDC1

Achromatopsia (no color)

#DADADA

Design tokens & code

CSS

--color: #efdb64;
/* rgb */ color: rgb(239, 219, 100);
/* oklch */ color: oklch(88.5% 0.140 99.9);

Tailwind

colors: {
  custom: {
    50: '#f7e594',
    500: '#efdb64',
    950: '#000000',
  },
}

SCSS

$custom: #efdb64;
$custom-light: #f7e594;
$custom-dark: #000000;

JSON

{
  "hex": "#efdb64",
  "rgb": {
    "r": 239,
    "g": 219,
    "b": 100
  },
  "hsl": {
    "h": 51.367,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.88513,
    "c": 0.14029,
    "h": 99.9
  },
  "luminance": 0.69934
}

Semantic roles & 50–950 ramp

primary

#EFDB64

secondary

#354AC2

accent

#27DE08

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150D

muted

#86847F

Preview Lab

Preview with #EFDB64

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

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