#EFDF63#EFDF63

#EFDF63 is a very light, vivid yellow. Relative luminance 0.720; OKLCH L 89.3% C 0.145 H 102.0°. Best body text is #000000 at 15.41:1 contrast (WCAG AA passes).

Color values

HEX	#EFDF63
RGB	rgb(239, 223, 99)
HSL	hsl(53, 81%, 66%)
HSV	hsv(53, 59%, 94%)
CMYK	cmyk(0%, 6.7%, 58.6%, 6.3%)
CIE-LAB	lab(87.98, -9.41, 61.35)
CIE-LCH	lch(87.98, 62.07, 98.72°)
OKLab	oklab(89.32% -0.0301 0.1415)
OKLCH	oklch(89.32% 0.145 102)
XYZ	xyz(64.2387, 72.0294, 22.3212)
Luminance	0.7203 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFDF63 #6373EF

analogous

#EF9963 #EFDF63 #B9EF63

triadic

#EFDF63 #63EFDF #DF63EF

tetradic

#EFDF63 #63EF99 #6373EF #EF63B9

square

#EFDF63 #63EF99 #6373EF #EF63B9

split-complementary

#EFDF63 #63B9EF #9963EF

monochromatic

#C4AF14 #E9D42B #EFDF63 #F5EA9B #FAF6D2

Accessibility & contrast

On white

1.36

#EFDF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.41

#EFDF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFDF63

15.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFDF63	#FFFFFF	#000000	##000000
##EFDF63	1.00	1.36	15.41	15.41
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.41	21.00	1.00	1.00
##000000	15.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1D956

Deuteranopia (green-blind)

#F6E069

Tritanopia (blue-blind)

#FFD1C4

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #efdf63;
/* rgb */ color: rgb(239, 223, 99);
/* oklch */ color: oklch(89.3% 0.145 102.0);

Tailwind

colors: {
  custom: {
    50: '#f7e894',
    500: '#efdf63',
    950: '#000000',
  },
}

SCSS

$custom: #efdf63;
$custom-light: #f7e894;
$custom-dark: #000000;

JSON

{
  "hex": "#efdf63",
  "rgb": {
    "r": 239,
    "g": 223,
    "b": 99
  },
  "hsl": {
    "h": 53.143,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.89317,
    "c": 0.14463,
    "h": 102
  },
  "luminance": 0.72027
}

Semantic roles & 50–950 ramp

primary

#EFDF63

secondary

#3545C1

accent

#20DE08

background

#FFFEFC

surface

#FFFCF4

border

#D7D5CE

text

#18160D

muted

#86847F

Preview Lab

Preview with #EFDF63

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

Preview Lab → · Contrast checker → · Palette generator →