#EFDD64#EFDD64

#EFDD64 is a very light, vivid yellow. Relative luminance 0.710; OKLCH L 88.9% C 0.142 H 100.9°. Best body text is #000000 at 15.20:1 contrast (WCAG AA passes).

Color values

HEX	#EFDD64
RGB	rgb(239, 221, 100)
HSL	hsl(52, 81%, 66%)
HSV	hsv(52, 58%, 94%)
CMYK	cmyk(0%, 7.5%, 58.2%, 6.3%)
CIE-LAB	lab(87.48, -8.34, 60.35)
CIE-LCH	lch(87.48, 60.92, 97.87°)
OKLab	oklab(88.92% -0.0269 0.1395)
OKLCH	oklch(88.92% 0.142 100.9)
XYZ	xyz(63.7556, 70.9862, 22.3975)
Luminance	0.7098 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFDD64 #6476EF

analogous

#EF9864 #EFDD64 #BCEF64

triadic

#EFDD64 #64EFDD #DD64EF

tetradic

#EFDD64 #64EF98 #6476EF #EF64BC

square

#EFDD64 #64EF98 #6476EF #EF64BC

split-complementary

#EFDD64 #64BCEF #9864EF

monochromatic

#C4AE14 #E9D12D #EFDD64 #F5E99B #FAF5D3

Accessibility & contrast

On white

1.38

#EFDD64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.20

#EFDD64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFDD64

15.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFDD64	#FFFFFF	#000000	##000000
##EFDD64	1.00	1.38	15.20	15.20
#FFFFFF	1.38	1.00	21.00	21.00
#000000	15.20	21.00	1.00	1.00
##000000	15.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD757

Deuteranopia (green-blind)

#F5DE6A

Tritanopia (blue-blind)

#FFCFC3

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #efdd64;
/* rgb */ color: rgb(239, 221, 100);
/* oklch */ color: oklch(88.9% 0.142 100.9);

Tailwind

colors: {
  custom: {
    50: '#f7e794',
    500: '#efdd64',
    950: '#000000',
  },
}

SCSS

$custom: #efdd64;
$custom-light: #f7e794;
$custom-dark: #000000;

JSON

{
  "hex": "#efdd64",
  "rgb": {
    "r": 239,
    "g": 221,
    "b": 100
  },
  "hsl": {
    "h": 52.23,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.8892,
    "c": 0.14202,
    "h": 100.9
  },
  "luminance": 0.70984
}

Semantic roles & 50–950 ramp

primary

#EFDD64

secondary

#3547C2

accent

#24DE08

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18160D

muted

#86847F

Preview Lab

Preview with #EFDD64

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

Preview Lab → · Contrast checker → · Palette generator →