#EFDE63#EFDE63

#EFDE63 is a very light, vivid yellow. Relative luminance 0.715; OKLCH L 89.1% C 0.144 H 101.5°. Best body text is #000000 at 15.30:1 contrast (WCAG AA passes).

Color values

HEX	#EFDE63
RGB	rgb(239, 222, 99)
HSL	hsl(53, 81%, 66%)
HSV	hsv(53, 59%, 94%)
CMYK	cmyk(0%, 7.1%, 58.6%, 6.3%)
CIE-LAB	lab(87.73, -8.91, 61.07)
CIE-LCH	lch(87.73, 61.71, 98.30°)
OKLab	oklab(89.11% -0.0286 0.1409)
OKLCH	oklch(89.11% 0.144 101.5)
XYZ	xyz(63.9724, 71.4966, 22.2324)
Luminance	0.7149 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFDE63 #6374EF

analogous

#EF9863 #EFDE63 #BAEF63

triadic

#EFDE63 #63EFDE #DE63EF

tetradic

#EFDE63 #63EF98 #6374EF #EF63BA

square

#EFDE63 #63EF98 #6374EF #EF63BA

split-complementary

#EFDE63 #63BAEF #9863EF

monochromatic

#C4AE14 #E9D22B #EFDE63 #F5EA9B #FAF5D2

Accessibility & contrast

On white

1.37

#EFDE63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.30

#EFDE63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFDE63

15.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFDE63	#FFFFFF	#000000	##000000
##EFDE63	1.00	1.37	15.30	15.30
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.30	21.00	1.00	1.00
##000000	15.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0D856

Deuteranopia (green-blind)

#F5DF69

Tritanopia (blue-blind)

#FFD0C3

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #efde63;
/* rgb */ color: rgb(239, 222, 99);
/* oklch */ color: oklch(89.1% 0.144 101.5);

Tailwind

colors: {
  custom: {
    50: '#f7e894',
    500: '#efde63',
    950: '#000000',
  },
}

SCSS

$custom: #efde63;
$custom-light: #f7e894;
$custom-dark: #000000;

JSON

{
  "hex": "#efde63",
  "rgb": {
    "r": 239,
    "g": 222,
    "b": 99
  },
  "hsl": {
    "h": 52.714,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.89113,
    "c": 0.14374,
    "h": 101.5
  },
  "luminance": 0.71494
}

Semantic roles & 50–950 ramp

primary

#EFDE63

secondary

#3546C1

accent

#22DE08

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18160D

muted

#86847F

Preview Lab

Preview with #EFDE63

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

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