#EFC853#EFC853

#EFC853 is a very light, vivid yellow. Relative luminance 0.603; OKLCH L 84.5% C 0.140 H 90.5°. Best body text is #000000 at 13.06:1 contrast (WCAG AA passes).

Color values

HEX	#EFC853
RGB	rgb(239, 200, 83)
HSL	hsl(45, 83%, 63%)
HSV	hsv(45, 65%, 94%)
CMYK	cmyk(0%, 16.3%, 65.3%, 6.3%)
CIE-LAB	lab(81.99, 1.26, 61.74)
CIE-LCH	lch(81.99, 61.75, 88.83°)
OKLab	oklab(84.53% -0.0013 0.1401)
OKLCH	oklch(84.53% 0.14 90.5)
XYZ	xyz(57.8152, 60.2871, 16.7733)
Luminance	0.6028 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFC853 #537AEF

analogous

#EF7A53 #EFC853 #C8EF53

triadic

#EFC853 #53EFC8 #C853EF

tetradic

#EFC853 #53EF7A #537AEF #EF53C8

square

#EFC853 #53EF7A #537AEF #EF53C8

split-complementary

#EFC853 #53C8EF #7A53EF

monochromatic

#B78D11 #EAB61B #EFC853 #F4DA8B #F9ECC3

Accessibility & contrast

On white

1.61

#EFC853 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.06

#EFC853 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFC853

13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFC853	#FFFFFF	#000000	##000000
##EFC853	1.00	1.61	13.06	13.06
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.06	21.00	1.00	1.00
##000000	13.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC645

Deuteranopia (green-blind)

#E6D158

Tritanopia (blue-blind)

#FFB9AF

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #efc853;
/* rgb */ color: rgb(239, 200, 83);
/* oklch */ color: oklch(84.5% 0.140 90.5);

Tailwind

colors: {
  custom: {
    50: '#f8d888',
    500: '#efc853',
    950: '#000000',
  },
}

SCSS

$custom: #efc853;
$custom-light: #f8d888;
$custom-dark: #000000;

JSON

{
  "hex": "#efc853",
  "rgb": {
    "r": 239,
    "g": 200,
    "b": 83
  },
  "hsl": {
    "h": 45,
    "s": 82.979,
    "l": 63.137
  },
  "oklch": {
    "l": 0.84532,
    "c": 0.1401,
    "h": 90.5
  },
  "luminance": 0.60284
}

Semantic roles & 50–950 ramp

primary

#EFC853

secondary

#3052B6

accent

#3CDF06

background

#FFFEFC

surface

#FFFBF4

border

#D7D4CE

text

#18140C

muted

#86837F

Preview Lab

Preview with #EFC853

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

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