#EFEF6C#EFEF6C

#EFEF6C is a very light, vivid yellow. Relative luminance 0.812; OKLCH L 92.7% C 0.153 H 109.0°. Best body text is #000000 at 17.23:1 contrast (WCAG AA passes).

Color values

HEX	#EFEF6C
RGB	rgb(239, 239, 108)
HSL	hsl(60, 80%, 68%)
HSV	hsv(60, 55%, 94%)
CMYK	cmyk(0%, 0%, 54.8%, 6.3%)
CIE-LAB	lab(92.21, -16.66, 62.15)
CIE-LCH	lch(92.21, 64.35, 105.01°)
OKLab	oklab(92.71% -0.0498 0.1442)
OKLCH	oklch(92.71% 0.153 109)
XYZ	xyz(69.1717, 81.1682, 26.2077)
Luminance	0.8117 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEF6C #6C6CEF

analogous

#EFAD6C #EFEF6C #ADEF6C

triadic

#EFEF6C #6CEFEF #EF6CEF

tetradic

#EFEF6C #6CEFAD #6C6CEF #EF6CAD

square

#EFEF6C #6CEFAD #6C6CEF #EF6CAD

split-complementary

#EFEF6C #6CADEF #AD6CEF

monochromatic

#CBCB16 #E9E935 #EFEF6C #F5F5A3 #FBFBDA

Accessibility & contrast

On white

1.22

#EFEF6C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.23

#EFEF6C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEF6C

17.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEF6C	#FFFFFF	#000000	##000000
##EFEF6C	1.00	1.22	17.23	17.23
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.23	21.00	1.00	1.00
##000000	17.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE65E

Deuteranopia (green-blind)

#FFEB73

Tritanopia (blue-blind)

#FEE2D2

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #efef6c;
/* rgb */ color: rgb(239, 239, 108);
/* oklch */ color: oklch(92.7% 0.153 109.0);

Tailwind

colors: {
  custom: {
    50: '#f7f49a',
    500: '#efef6c',
    950: '#000000',
  },
}

SCSS

$custom: #efef6c;
$custom-light: #f7f49a;
$custom-dark: #000000;

JSON

{
  "hex": "#efef6c",
  "rgb": {
    "r": 239,
    "g": 239,
    "b": 108
  },
  "hsl": {
    "h": 60,
    "s": 80.368,
    "l": 68.039
  },
  "oklch": {
    "l": 0.92705,
    "c": 0.15259,
    "h": 109
  },
  "luminance": 0.81166
}

Semantic roles & 50–950 ramp

primary

#EFEF6C

secondary

#3838C7

accent

#09DD09

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #EFEF6C

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

Preview Lab → · Contrast checker → · Palette generator →