#EFD363#EFD363

#EFD363 is a very light, vivid yellow. Relative luminance 0.658; OKLCH L 86.9% C 0.135 H 95.4°. Best body text is #000000 at 14.17:1 contrast (WCAG AA passes).

Color values

HEX	#EFD363
RGB	rgb(239, 211, 99)
HSL	hsl(48, 81%, 66%)
HSV	hsv(48, 59%, 94%)
CMYK	cmyk(0%, 11.7%, 58.6%, 6.3%)
CIE-LAB	lab(84.92, -3.35, 57.91)
CIE-LCH	lch(84.92, 58.01, 93.31°)
OKLab	oklab(86.89% -0.0127 0.1341)
OKLCH	oklch(86.89% 0.135 95.4)
XYZ	xyz(61.1455, 65.8430, 21.2902)
Luminance	0.6584 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFD363 #637FEF

analogous

#EF8D63 #EFD363 #C5EF63

triadic

#EFD363 #63EFD3 #D363EF

tetradic

#EFD363 #63EF8D #637FEF #EF63C5

square

#EFD363 #63EF8D #637FEF #EF63C5

split-complementary

#EFD363 #63C5EF #8D63EF

monochromatic

#C4A014 #E9C32B #EFD363 #F5E39B #FAF2D2

Accessibility & contrast

On white

1.48

#EFD363 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.17

#EFD363 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFD363

14.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFD363	#FFFFFF	#000000	##000000
##EFD363	1.00	1.48	14.17	14.17
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.17	21.00	1.00	1.00
##000000	14.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CF58

Deuteranopia (green-blind)

#EDD868

Tritanopia (blue-blind)

#FFC5BA

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #efd363;
/* rgb */ color: rgb(239, 211, 99);
/* oklch */ color: oklch(86.9% 0.135 95.4);

Tailwind

colors: {
  custom: {
    50: '#f7e093',
    500: '#efd363',
    950: '#000000',
  },
}

SCSS

$custom: #efd363;
$custom-light: #f7e093;
$custom-dark: #000000;

JSON

{
  "hex": "#efd363",
  "rgb": {
    "r": 239,
    "g": 211,
    "b": 99
  },
  "hsl": {
    "h": 48,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.86887,
    "c": 0.1347,
    "h": 95.4
  },
  "luminance": 0.6584
}

Semantic roles & 50–950 ramp

primary

#EFD363

secondary

#3551C1

accent

#33DE08

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150D

muted

#86847F

Preview Lab

Preview with #EFD363

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

Preview Lab → · Contrast checker → · Palette generator →