#EFE363#EFE363

#EFE363 is a very light, vivid yellow. Relative luminance 0.742; OKLCH L 90.1% C 0.148 H 104.0°. Best body text is #000000 at 15.84:1 contrast (WCAG AA passes).

Color values

HEX	#EFE363
RGB	rgb(239, 227, 99)
HSL	hsl(55, 81%, 66%)
HSV	hsv(55, 59%, 94%)
CMYK	cmyk(0%, 5%, 58.6%, 6.3%)
CIE-LAB	lab(89.01, -11.41, 62.50)
CIE-LCH	lch(89.01, 63.53, 100.34°)
OKLab	oklab(90.14% -0.0358 0.1439)
OKLCH	oklch(90.14% 0.148 104)
XYZ	xyz(65.3201, 74.1921, 22.6817)
Luminance	0.7419 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE363 #636FEF

analogous

#EF9D63 #EFE363 #B5EF63

triadic

#EFE363 #63EFE3 #E363EF

tetradic

#EFE363 #63EF9D #636FEF #EF63B5

square

#EFE363 #63EF9D #636FEF #EF63B5

split-complementary

#EFE363 #63B5EF #9D63EF

monochromatic

#C4B514 #E9D92B #EFE363 #F5ED9B #FAF7D2

Accessibility & contrast

On white

1.33

#EFE363 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.84

#EFE363 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE363

15.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE363	#FFFFFF	#000000	##000000
##EFE363	1.00	1.33	15.84	15.84
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.84	21.00	1.00	1.00
##000000	15.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5DC55

Deuteranopia (green-blind)

#F9E26A

Tritanopia (blue-blind)

#FFD5C7

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #efe363;
/* rgb */ color: rgb(239, 227, 99);
/* oklch */ color: oklch(90.1% 0.148 104.0);

Tailwind

colors: {
  custom: {
    50: '#f7eb94',
    500: '#efe363',
    950: '#000000',
  },
}

SCSS

$custom: #efe363;
$custom-light: #f7eb94;
$custom-dark: #000000;

JSON

{
  "hex": "#efe363",
  "rgb": {
    "r": 239,
    "g": 227,
    "b": 99
  },
  "hsl": {
    "h": 54.857,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.90136,
    "c": 0.14829,
    "h": 104
  },
  "luminance": 0.7419
}

Semantic roles & 50–950 ramp

primary

#EFE363

secondary

#3541C1

accent

#1ADE08

background

#FFFEFC

surface

#FFFDF5

border

#D7D5CF

text

#18160D

muted

#86847F

Preview Lab

Preview with #EFE363

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

Preview Lab → · Contrast checker → · Palette generator →