#EFCB56#EFCB56

#EFCB56 is a very light, vivid yellow. Relative luminance 0.617; OKLCH L 85.2% C 0.140 H 92.0°. Best body text is #000000 at 13.35:1 contrast (WCAG AA passes).

Color values

HEX	#EFCB56
RGB	rgb(239, 203, 86)
HSL	hsl(46, 83%, 64%)
HSV	hsv(46, 64%, 94%)
CMYK	cmyk(0%, 15.1%, 64%, 6.3%)
CIE-LAB	lab(82.77, -0.11, 61.29)
CIE-LCH	lch(82.77, 61.29, 90.10°)
OKLab	oklab(85.16% -0.0049 0.1396)
OKLCH	oklch(85.16% 0.14 92)
XYZ	xyz(58.6351, 61.7377, 17.6304)
Luminance	0.6173 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFCB56 #567AEF

analogous

#EF7E56 #EFCB56 #C7EF56

triadic

#EFCB56 #56EFCB #CB56EF

tetradic

#EFCB56 #56EF7E #567AEF #EF56C7

square

#EFCB56 #56EF7E #567AEF #EF56C7

split-complementary

#EFCB56 #56C7EF #7E56EF

monochromatic

#B99212 #EABA1E #EFCB56 #F4DC8E #FAEDC6

Accessibility & contrast

On white

1.57

#EFCB56 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.35

#EFCB56 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCB56

13.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFCB56	#FFFFFF	#000000	##000000
##EFCB56	1.00	1.57	13.35	13.35
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.35	21.00	1.00	1.00
##000000	13.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC849

Deuteranopia (green-blind)

#E8D25B

Tritanopia (blue-blind)

#FFBCB2

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #efcb56;
/* rgb */ color: rgb(239, 203, 86);
/* oklch */ color: oklch(85.2% 0.140 92.0);

Tailwind

colors: {
  custom: {
    50: '#f8da8a',
    500: '#efcb56',
    950: '#000000',
  },
}

SCSS

$custom: #efcb56;
$custom-light: #f8da8a;
$custom-dark: #000000;

JSON

{
  "hex": "#efcb56",
  "rgb": {
    "r": 239,
    "g": 203,
    "b": 86
  },
  "hsl": {
    "h": 45.882,
    "s": 82.703,
    "l": 63.725
  },
  "oklch": {
    "l": 0.85156,
    "c": 0.13967,
    "h": 92
  },
  "luminance": 0.61734
}

Semantic roles & 50–950 ramp

primary

#EFCB56

secondary

#3151B8

accent

#39DF06

background

#FFFEFC

surface

#FFFBF4

border

#D7D4CE

text

#18140C

muted

#86837F

Preview Lab

Preview with #EFCB56

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

Preview Lab → · Contrast checker → · Palette generator →