#EFCB52#EFCB52

#EFCB52 is a very light, vivid yellow. Relative luminance 0.617; OKLCH L 85.1% C 0.143 H 92.4°. Best body text is #000000 at 13.33:1 contrast (WCAG AA passes).

Color values

HEX	#EFCB52
RGB	rgb(239, 203, 82)
HSL	hsl(46, 83%, 63%)
HSV	hsv(46, 66%, 94%)
CMYK	cmyk(0%, 15.1%, 65.7%, 6.3%)
CIE-LAB	lab(82.74, -0.34, 62.96)
CIE-LCH	lch(82.74, 62.96, 90.31°)
OKLab	oklab(85.12% -0.006 0.1425)
OKLCH	oklch(85.12% 0.143 92.4)
XYZ	xyz(58.4784, 61.6750, 16.8053)
Luminance	0.6167 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFCB52 #5276EF

analogous

#EF7C52 #EFCB52 #C4EF52

triadic

#EFCB52 #52EFCB #CB52EF

tetradic

#EFCB52 #52EF7C #5276EF #EF52C4

square

#EFCB52 #52EF7C #5276EF #EF52C4

split-complementary

#EFCB52 #52C4EF #7C52EF

monochromatic

#B69011 #EABA1A #EFCB52 #F4DC8A #F9EDC2

Accessibility & contrast

On white

1.57

#EFCB52 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.33

#EFCB52 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCB52

13.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFCB52	#FFFFFF	#000000	##000000
##EFCB52	1.00	1.57	13.33	13.33
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.33	21.00	1.00	1.00
##000000	13.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C843

Deuteranopia (green-blind)

#E9D258

Tritanopia (blue-blind)

#FFBCB2

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #efcb52;
/* rgb */ color: rgb(239, 203, 82);
/* oklch */ color: oklch(85.1% 0.143 92.4);

Tailwind

colors: {
  custom: {
    50: '#f8da88',
    500: '#efcb52',
    950: '#000000',
  },
}

SCSS

$custom: #efcb52;
$custom-light: #f8da88;
$custom-dark: #000000;

JSON

{
  "hex": "#efcb52",
  "rgb": {
    "r": 239,
    "g": 203,
    "b": 82
  },
  "hsl": {
    "h": 46.242,
    "s": 83.069,
    "l": 62.941
  },
  "oklch": {
    "l": 0.85119,
    "c": 0.14266,
    "h": 92.4
  },
  "luminance": 0.61672
}

Semantic roles & 50–950 ramp

primary

#EFCB52

secondary

#304FB5

accent

#38DF06

background

#FFFEFC

surface

#FFFBF4

border

#D7D4CE

text

#18140C

muted

#86837F

Preview Lab

Preview with #EFCB52

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

Preview Lab → · Contrast checker → · Palette generator →