#EFCD53#EFCD53

#EFCD53 is a very light, vivid yellow. Relative luminance 0.626; OKLCH L 85.5% C 0.143 H 93.5°. Best body text is #000000 at 13.53:1 contrast (WCAG AA passes).

Color values

HEX	#EFCD53
RGB	rgb(239, 205, 83)
HSL	hsl(47, 83%, 63%)
HSV	hsv(47, 65%, 94%)
CMYK	cmyk(0%, 14.2%, 65.3%, 6.3%)
CIE-LAB	lab(83.25, -1.31, 63.08)
CIE-LCH	lch(83.25, 63.10, 91.19°)
OKLab	oklab(85.53% -0.0087 0.1429)
OKLCH	oklch(85.53% 0.143 93.5)
XYZ	xyz(58.9921, 62.6411, 17.1656)
Luminance	0.6264 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFCD53 #5375EF

analogous

#EF7F53 #EFCD53 #C3EF53

triadic

#EFCD53 #53EFCD #CD53EF

tetradic

#EFCD53 #53EF7F #5375EF #EF53C3

square

#EFCD53 #53EF7F #5375EF #EF53C3

split-complementary

#EFCD53 #53C3EF #7F53EF

monochromatic

#B79311 #EABD1B #EFCD53 #F4DD8B #F9EEC3

Accessibility & contrast

On white

1.55

#EFCD53 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.53

#EFCD53 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCD53

13.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFCD53	#FFFFFF	#000000	##000000
##EFCD53	1.00	1.55	13.53	13.53
#FFFFFF	1.55	1.00	21.00	21.00
#000000	13.53	21.00	1.00	1.00
##000000	13.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1CA44

Deuteranopia (green-blind)

#EAD459

Tritanopia (blue-blind)

#FFBEB3

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #efcd53;
/* rgb */ color: rgb(239, 205, 83);
/* oklch */ color: oklch(85.5% 0.143 93.5);

Tailwind

colors: {
  custom: {
    50: '#f8db89',
    500: '#efcd53',
    950: '#000000',
  },
}

SCSS

$custom: #efcd53;
$custom-light: #f8db89;
$custom-dark: #000000;

JSON

{
  "hex": "#efcd53",
  "rgb": {
    "r": 239,
    "g": 205,
    "b": 83
  },
  "hsl": {
    "h": 46.923,
    "s": 82.979,
    "l": 63.137
  },
  "oklch": {
    "l": 0.85526,
    "c": 0.1432,
    "h": 93.5
  },
  "luminance": 0.62638
}

Semantic roles & 50–950 ramp

primary

#EFCD53

secondary

#304DB6

accent

#35DF06

background

#FFFEFC

surface

#FFFBF4

border

#D7D4CE

text

#18150C

muted

#86847F

Preview Lab

Preview with #EFCD53

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

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