#EFD559#EFD559

#EFD559 is a very light, vivid yellow. Relative luminance 0.667; OKLCH L 87.2% C 0.144 H 97.4°. Best body text is #000000 at 14.33:1 contrast (WCAG AA passes).

Color values

HEX	#EFD559
RGB	rgb(239, 213, 89)
HSL	hsl(50, 82%, 64%)
HSV	hsv(50, 63%, 94%)
CMYK	cmyk(0%, 10.9%, 62.8%, 6.3%)
CIE-LAB	lab(85.33, -5.03, 62.77)
CIE-LCH	lch(85.33, 62.97, 94.58°)
OKLab	oklab(87.19% -0.0187 0.1432)
OKLCH	oklch(87.19% 0.144 97.4)
XYZ	xyz(61.1967, 66.6634, 19.0931)
Luminance	0.6666 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFD559 #5973EF

analogous

#EF8A59 #EFD559 #BEEF59

triadic

#EFD559 #59EFD5 #D559EF

tetradic

#EFD559 #59EF8A #5973EF #EF59BE

square

#EFD559 #59EF8A #5973EF #EF59BE

split-complementary

#EFD559 #59BEEF #8A59EF

monochromatic

#BC9E12 #EAC721 #EFD559 #F4E391 #FAF1C9

Accessibility & contrast

On white

1.47

#EFD559 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.33

#EFD559 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFD559

14.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFD559	#FFFFFF	#000000	##000000
##EFD559	1.00	1.47	14.33	14.33
#FFFFFF	1.47	1.00	21.00	21.00
#000000	14.33	21.00	1.00	1.00
##000000	14.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D04B

Deuteranopia (green-blind)

#EFD95F

Tritanopia (blue-blind)

#FFC6BB

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #efd559;
/* rgb */ color: rgb(239, 213, 89);
/* oklch */ color: oklch(87.2% 0.144 97.4);

Tailwind

colors: {
  custom: {
    50: '#f8e18d',
    500: '#efd559',
    950: '#000000',
  },
}

SCSS

$custom: #efd559;
$custom-light: #f8e18d;
$custom-dark: #000000;

JSON

{
  "hex": "#efd559",
  "rgb": {
    "r": 239,
    "g": 213,
    "b": 89
  },
  "hsl": {
    "h": 49.6,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.87188,
    "c": 0.14437,
    "h": 97.4
  },
  "luminance": 0.6666
}

Semantic roles & 50–950 ramp

primary

#EFD559

secondary

#324ABA

accent

#2CDF07

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18150C

muted

#86847F

Preview Lab

Preview with #EFD559

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

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