#EFEF68#EFEF68

#EFEF68 is a very light, vivid yellow. Relative luminance 0.811; OKLCH L 92.7% C 0.156 H 109.1°. Best body text is #000000 at 17.22:1 contrast (WCAG AA passes).

Color values

HEX	#EFEF68
RGB	rgb(239, 239, 104)
HSL	hsl(60, 81%, 67%)
HSV	hsv(60, 56%, 94%)
CMYK	cmyk(0%, 0%, 56.5%, 6.3%)
CIE-LAB	lab(92.17, -16.95, 63.85)
CIE-LCH	lch(92.17, 66.06, 104.87°)
OKLab	oklab(92.66% -0.051 0.1474)
OKLCH	oklch(92.66% 0.156 109.1)
XYZ	xyz(68.9637, 81.0850, 25.1122)
Luminance	0.8108 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEF68 #6868EF

analogous

#EFAC68 #EFEF68 #ACEF68

triadic

#EFEF68 #68EFEF #EF68EF

tetradic

#EFEF68 #68EFAC #6868EF #EF68AC

square

#EFEF68 #68EFAC #6868EF #EF68AC

split-complementary

#EFEF68 #68ACEF #AC68EF

monochromatic

#C7C715 #E9E931 #EFEF68 #F5F59F #FBFBD7

Accessibility & contrast

On white

1.22

#EFEF68 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.22

#EFEF68 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEF68

17.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEF68	#FFFFFF	#000000	##000000
##EFEF68	1.00	1.22	17.22	17.22
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.22	21.00	1.00	1.00
##000000	17.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE659

Deuteranopia (green-blind)

#FFEB70

Tritanopia (blue-blind)

#FEE1D2

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #efef68;
/* rgb */ color: rgb(239, 239, 104);
/* oklch */ color: oklch(92.7% 0.156 109.1);

Tailwind

colors: {
  custom: {
    50: '#f7f498',
    500: '#efef68',
    950: '#000000',
  },
}

SCSS

$custom: #efef68;
$custom-light: #f7f498;
$custom-dark: #000000;

JSON

{
  "hex": "#efef68",
  "rgb": {
    "r": 239,
    "g": 239,
    "b": 104
  },
  "hsl": {
    "h": 60,
    "s": 80.838,
    "l": 67.255
  },
  "oklch": {
    "l": 0.92663,
    "c": 0.15598,
    "h": 109.1
  },
  "luminance": 0.81083
}

Semantic roles & 50–950 ramp

primary

#EFEF68

secondary

#3737C5

accent

#08DD08

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFEF68

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

Preview Lab → · Contrast checker → · Palette generator →