#EFCA53#EFCA53

#EFCA53 is a very light, vivid yellow. Relative luminance 0.612; OKLCH L 84.9% C 0.141 H 91.7°. Best body text is #000000 at 13.24:1 contrast (WCAG AA passes).

Color values

HEX	#EFCA53
RGB	rgb(239, 202, 83)
HSL	hsl(46, 83%, 63%)
HSV	hsv(46, 65%, 94%)
CMYK	cmyk(0%, 15.5%, 65.3%, 6.3%)
CIE-LAB	lab(82.50, 0.23, 62.28)
CIE-LCH	lch(82.50, 62.28, 89.79°)
OKLab	oklab(84.93% -0.0042 0.1412)
OKLCH	oklch(84.93% 0.141 91.7)
XYZ	xyz(58.2814, 61.2196, 16.9287)
Luminance	0.6122 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFCA53 #5378EF

analogous

#EF7C53 #EFCA53 #C6EF53

triadic

#EFCA53 #53EFCA #CA53EF

tetradic

#EFCA53 #53EF7C #5378EF #EF53C6

square

#EFCA53 #53EF7C #5378EF #EF53C6

split-complementary

#EFCA53 #53C6EF #7C53EF

monochromatic

#B78F11 #EAB91B #EFCA53 #F4DB8B #F9EDC3

Accessibility & contrast

On white

1.59

#EFCA53 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.24

#EFCA53 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCA53

13.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFCA53	#FFFFFF	#000000	##000000
##EFCA53	1.00	1.59	13.24	13.24
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.24	21.00	1.00	1.00
##000000	13.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC745

Deuteranopia (green-blind)

#E8D259

Tritanopia (blue-blind)

#FFBBB1

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #efca53;
/* rgb */ color: rgb(239, 202, 83);
/* oklch */ color: oklch(84.9% 0.141 91.7);

Tailwind

colors: {
  custom: {
    50: '#f8d988',
    500: '#efca53',
    950: '#000000',
  },
}

SCSS

$custom: #efca53;
$custom-light: #f8d988;
$custom-dark: #000000;

JSON

{
  "hex": "#efca53",
  "rgb": {
    "r": 239,
    "g": 202,
    "b": 83
  },
  "hsl": {
    "h": 45.769,
    "s": 82.979,
    "l": 63.137
  },
  "oklch": {
    "l": 0.84929,
    "c": 0.14129,
    "h": 91.7
  },
  "luminance": 0.61216
}

Semantic roles & 50–950 ramp

primary

#EFCA53

secondary

#3050B6

accent

#3ADF06

background

#FFFEFC

surface

#FFFBF4

border

#D7D4CE

text

#18140C

muted

#86837F

Preview Lab

Preview with #EFCA53

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

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