#EFCC52#EFCC52

#EFCC52 is a very light, vivid yellow. Relative luminance 0.621; OKLCH L 85.3% C 0.143 H 93.0°. Best body text is #000000 at 13.43:1 contrast (WCAG AA passes).

Color values

HEX	#EFCC52
RGB	rgb(239, 204, 82)
HSL	hsl(47, 83%, 63%)
HSV	hsv(47, 66%, 94%)
CMYK	cmyk(0%, 14.6%, 65.7%, 6.3%)
CIE-LAB	lab(82.99, -0.86, 63.23)
CIE-LCH	lch(82.99, 63.23, 90.78°)
OKLab	oklab(85.32% -0.0075 0.1431)
OKLCH	oklch(85.32% 0.143 93)
XYZ	xyz(58.7154, 62.1488, 16.8843)
Luminance	0.6215 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFCC52 #5275EF

analogous

#EF7D52 #EFCC52 #C4EF52

triadic

#EFCC52 #52EFCC #CC52EF

tetradic

#EFCC52 #52EF7D #5275EF #EF52C4

square

#EFCC52 #52EF7D #5275EF #EF52C4

split-complementary

#EFCC52 #52C4EF #7D52EF

monochromatic

#B69111 #EABB1A #EFCC52 #F4DD8A #F9EDC2

Accessibility & contrast

On white

1.56

#EFCC52 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.43

#EFCC52 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCC52

13.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFCC52	#FFFFFF	#000000	##000000
##EFCC52	1.00	1.56	13.43	13.43
#FFFFFF	1.56	1.00	21.00	21.00
#000000	13.43	21.00	1.00	1.00
##000000	13.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C943

Deuteranopia (green-blind)

#E9D358

Tritanopia (blue-blind)

#FFBDB2

Achromatopsia (no color)

#CFCFCF

Design tokens & code

CSS

--color: #efcc52;
/* rgb */ color: rgb(239, 204, 82);
/* oklch */ color: oklch(85.3% 0.143 93.0);

Tailwind

colors: {
  custom: {
    50: '#f8db88',
    500: '#efcc52',
    950: '#000000',
  },
}

SCSS

$custom: #efcc52;
$custom-light: #f8db88;
$custom-dark: #000000;

JSON

{
  "hex": "#efcc52",
  "rgb": {
    "r": 239,
    "g": 204,
    "b": 82
  },
  "hsl": {
    "h": 46.624,
    "s": 83.069,
    "l": 62.941
  },
  "oklch": {
    "l": 0.85318,
    "c": 0.14329,
    "h": 93
  },
  "luminance": 0.62146
}

Semantic roles & 50–950 ramp

primary

#EFCC52

secondary

#304EB5

accent

#36DF06

background

#FFFEFC

surface

#FFFBF4

border

#D7D4CE

text

#18140C

muted

#86837F

Preview Lab

Preview with #EFCC52

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

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