#EFCE57#EFCE57

#EFCE57 is a very light, vivid yellow. Relative luminance 0.632; OKLCH L 85.8% C 0.141 H 93.7°. Best body text is #000000 at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#EFCE57
RGB	rgb(239, 206, 87)
HSL	hsl(47, 83%, 64%)
HSV	hsv(47, 64%, 94%)
CMYK	cmyk(0%, 13.8%, 63.6%, 6.3%)
CIE-LAB	lab(83.54, -1.59, 61.69)
CIE-LCH	lch(83.54, 61.71, 91.47°)
OKLab	oklab(85.76% -0.009 0.1406)
OKLCH	oklch(85.76% 0.141 93.7)
XYZ	xyz(59.3910, 63.1846, 18.0825)
Luminance	0.6318 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFCE57 #5778EF

analogous

#EF8257 #EFCE57 #C4EF57

triadic

#EFCE57 #57EFCE #CE57EF

tetradic

#EFCE57 #57EF82 #5778EF #EF57C4

square

#EFCE57 #57EF82 #5778EF #EF57C4

split-complementary

#EFCE57 #57C4EF #8257EF

monochromatic

#BA9512 #EABE1F #EFCE57 #F4DE8F #FAEFC7

Accessibility & contrast

On white

1.54

#EFCE57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.64

#EFCE57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCE57

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFCE57	#FFFFFF	#000000	##000000
##EFCE57	1.00	1.54	13.64	13.64
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.64	21.00	1.00	1.00
##000000	13.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2CA49

Deuteranopia (green-blind)

#EAD45D

Tritanopia (blue-blind)

#FFBFB5

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #efce57;
/* rgb */ color: rgb(239, 206, 87);
/* oklch */ color: oklch(85.8% 0.141 93.7);

Tailwind

colors: {
  custom: {
    50: '#f8dc8b',
    500: '#efce57',
    950: '#000000',
  },
}

SCSS

$custom: #efce57;
$custom-light: #f8dc8b;
$custom-dark: #000000;

JSON

{
  "hex": "#efce57",
  "rgb": {
    "r": 239,
    "g": 206,
    "b": 87
  },
  "hsl": {
    "h": 46.974,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.85763,
    "c": 0.14086,
    "h": 93.7
  },
  "luminance": 0.63181
}

Semantic roles & 50–950 ramp

primary

#EFCE57

secondary

#314FB9

accent

#35DF06

background

#FFFEFC

surface

#FFFBF4

border

#D7D4CE

text

#18150C

muted

#86847F

Preview Lab

Preview with #EFCE57

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

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