#EFCE63#EFCE63

#EFCE63 is a very light, vivid yellow. Relative luminance 0.634; OKLCH L 85.9% C 0.131 H 92.3°. Best body text is #000000 at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#EFCE63
RGB	rgb(239, 206, 99)
HSL	hsl(46, 81%, 66%)
HSV	hsv(46, 59%, 94%)
CMYK	cmyk(0%, 13.8%, 58.6%, 6.3%)
CIE-LAB	lab(83.65, -0.80, 56.47)
CIE-LCH	lch(83.65, 56.48, 90.81°)
OKLab	oklab(85.89% -0.0053 0.131)
OKLCH	oklch(85.89% 0.131 92.3)
XYZ	xyz(59.9227, 63.3972, 20.8825)
Luminance	0.6339 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFCE63 #6384EF

analogous

#EF8863 #EFCE63 #CAEF63

triadic

#EFCE63 #63EFCE #CE63EF

tetradic

#EFCE63 #63EF88 #6384EF #EF63CA

square

#EFCE63 #63EF88 #6384EF #EF63CA

split-complementary

#EFCE63 #63CAEF #8863EF

monochromatic

#C49A14 #E9BD2B #EFCE63 #F5DF9B #FAF1D2

Accessibility & contrast

On white

1.54

#EFCE63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.68

#EFCE63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFCE63

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFCE63	#FFFFFF	#000000	##000000
##EFCE63	1.00	1.54	13.68	13.68
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.68	21.00	1.00	1.00
##000000	13.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1CB58

Deuteranopia (green-blind)

#EAD568

Tritanopia (blue-blind)

#FFC0B6

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #efce63;
/* rgb */ color: rgb(239, 206, 99);
/* oklch */ color: oklch(85.9% 0.131 92.3);

Tailwind

colors: {
  custom: {
    50: '#f7dc93',
    500: '#efce63',
    950: '#000000',
  },
}

SCSS

$custom: #efce63;
$custom-light: #f7dc93;
$custom-dark: #000000;

JSON

{
  "hex": "#efce63",
  "rgb": {
    "r": 239,
    "g": 206,
    "b": 99
  },
  "hsl": {
    "h": 45.857,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.85887,
    "c": 0.13113,
    "h": 92.3
  },
  "luminance": 0.63394
}

Semantic roles & 50–950 ramp

primary

#EFCE63

secondary

#3556C1

accent

#3ADE08

background

#FFFEFC

surface

#FFFBF4

border

#D7D4CE

text

#18150D

muted

#86847F

Preview Lab

Preview with #EFCE63

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

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