#EFD663#EFD663

#EFD663 is a very light, vivid yellow. Relative luminance 0.673; OKLCH L 87.5% C 0.137 H 97.2°. Best body text is #000000 at 14.47:1 contrast (WCAG AA passes).

Color values

HEX	#EFD663
RGB	rgb(239, 214, 99)
HSL	hsl(49, 81%, 66%)
HSV	hsv(49, 59%, 94%)
CMYK	cmyk(0%, 10.5%, 58.6%, 6.3%)
CIE-LAB	lab(85.68, -4.88, 58.77)
CIE-LCH	lch(85.68, 58.97, 94.75°)
OKLab	oklab(87.49% -0.0171 0.1359)
OKLCH	oklch(87.49% 0.137 97.2)
XYZ	xyz(61.8978, 67.3475, 21.5409)
Luminance	0.6734 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFD663 #637CEF

analogous

#EF9063 #EFD663 #C2EF63

triadic

#EFD663 #63EFD6 #D663EF

tetradic

#EFD663 #63EF90 #637CEF #EF63C2

square

#EFD663 #63EF90 #637CEF #EF63C2

split-complementary

#EFD663 #63C2EF #9063EF

monochromatic

#C4A414 #E9C72B #EFD663 #F5E59B #FAF3D2

Accessibility & contrast

On white

1.45

#EFD663 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.47

#EFD663 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFD663

14.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFD663	#FFFFFF	#000000	##000000
##EFD663	1.00	1.45	14.47	14.47
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.47	21.00	1.00	1.00
##000000	14.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D157

Deuteranopia (green-blind)

#F0DA68

Tritanopia (blue-blind)

#FFC8BD

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #efd663;
/* rgb */ color: rgb(239, 214, 99);
/* oklch */ color: oklch(87.5% 0.137 97.2);

Tailwind

colors: {
  custom: {
    50: '#f7e293',
    500: '#efd663',
    950: '#000000',
  },
}

SCSS

$custom: #efd663;
$custom-light: #f7e293;
$custom-dark: #000000;

JSON

{
  "hex": "#efd663",
  "rgb": {
    "r": 239,
    "g": 214,
    "b": 99
  },
  "hsl": {
    "h": 49.286,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.87491,
    "c": 0.13702,
    "h": 97.2
  },
  "luminance": 0.67345
}

Semantic roles & 50–950 ramp

primary

#EFD663

secondary

#354EC1

accent

#2EDE08

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150D

muted

#86847F

Preview Lab

Preview with #EFD663

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

Preview Lab → · Contrast checker → · Palette generator →