#EFE563#EFE563

#EFE563 is a very light, vivid yellow. Relative luminance 0.753; OKLCH L 90.5% C 0.150 H 104.9°. Best body text is #000000 at 16.06:1 contrast (WCAG AA passes).

Color values

HEX	#EFE563
RGB	rgb(239, 229, 99)
HSL	hsl(56, 81%, 66%)
HSV	hsv(56, 59%, 94%)
CMYK	cmyk(0%, 4.2%, 58.6%, 6.3%)
CIE-LAB	lab(89.53, -12.40, 63.07)
CIE-LCH	lch(89.53, 64.28, 101.12°)
OKLab	oklab(90.55% -0.0386 0.1451)
OKLCH	oklch(90.55% 0.15 104.9)
XYZ	xyz(65.8703, 75.2924, 22.8651)
Luminance	0.7529 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFE563 #636DEF

analogous

#EF9F63 #EFE563 #B3EF63

triadic

#EFE563 #63EFE5 #E563EF

tetradic

#EFE563 #63EF9F #636DEF #EF63B3

square

#EFE563 #63EF9F #636DEF #EF63B3

split-complementary

#EFE563 #63B3EF #9F63EF

monochromatic

#C4B714 #E9DC2B #EFE563 #F5EE9B #FAF8D2

Accessibility & contrast

On white

1.31

#EFE563 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.06

#EFE563 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFE563

16.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFE563	#FFFFFF	#000000	##000000
##EFE563	1.00	1.31	16.06	16.06
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.06	21.00	1.00	1.00
##000000	16.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F7DE55

Deuteranopia (green-blind)

#FBE46A

Tritanopia (blue-blind)

#FFD7C9

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #efe563;
/* rgb */ color: rgb(239, 229, 99);
/* oklch */ color: oklch(90.5% 0.150 104.9);

Tailwind

colors: {
  custom: {
    50: '#f7ed94',
    500: '#efe563',
    950: '#000000',
  },
}

SCSS

$custom: #efe563;
$custom-light: #f7ed94;
$custom-dark: #000000;

JSON

{
  "hex": "#efe563",
  "rgb": {
    "r": 239,
    "g": 229,
    "b": 99
  },
  "hsl": {
    "h": 55.714,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.90546,
    "c": 0.15018,
    "h": 104.9
  },
  "luminance": 0.7529
}

Semantic roles & 50–950 ramp

primary

#EFE563

secondary

#353FC1

accent

#17DE08

background

#FFFEFC

surface

#FFFDF5

border

#D7D5CF

text

#18160D

muted

#86847F

Preview Lab

Preview with #EFE563

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

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