#EFEF67#EFEF67

#EFEF67 is a very light, vivid yellow. Relative luminance 0.811; OKLCH L 92.7% C 0.157 H 109.1°. Best body text is #000000 at 17.21:1 contrast (WCAG AA passes).

Color values

HEX	#EFEF67
RGB	rgb(239, 239, 103)
HSL	hsl(60, 81%, 67%)
HSV	hsv(60, 57%, 94%)
CMYK	cmyk(0%, 0%, 56.9%, 6.3%)
CIE-LAB	lab(92.16, -17.02, 64.27)
CIE-LCH	lch(92.16, 66.48, 104.84°)
OKLab	oklab(92.65% -0.0513 0.1482)
OKLCH	oklch(92.65% 0.157 109.1)
XYZ	xyz(68.9132, 81.0648, 24.8463)
Luminance	0.8106 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEF67 #6767EF

analogous

#EFAB67 #EFEF67 #ABEF67

triadic

#EFEF67 #67EFEF #EF67EF

tetradic

#EFEF67 #67EFAB #6767EF #EF67AB

square

#EFEF67 #67EFAB #6767EF #EF67AB

split-complementary

#EFEF67 #67ABEF #AB67EF

monochromatic

#C7C715 #E9E930 #EFEF67 #F5F59E #FBFBD6

Accessibility & contrast

On white

1.22

#EFEF67 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.21

#EFEF67 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEF67

17.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEF67	#FFFFFF	#000000	##000000
##EFEF67	1.00	1.22	17.21	17.21
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.21	21.00	1.00	1.00
##000000	17.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE658

Deuteranopia (green-blind)

#FFEB6F

Tritanopia (blue-blind)

#FEE1D2

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #efef67;
/* rgb */ color: rgb(239, 239, 103);
/* oklch */ color: oklch(92.7% 0.157 109.1);

Tailwind

colors: {
  custom: {
    50: '#f7f497',
    500: '#efef67',
    950: '#000000',
  },
}

SCSS

$custom: #efef67;
$custom-light: #f7f497;
$custom-dark: #000000;

JSON

{
  "hex": "#efef67",
  "rgb": {
    "r": 239,
    "g": 239,
    "b": 103
  },
  "hsl": {
    "h": 60,
    "s": 80.952,
    "l": 67.059
  },
  "oklch": {
    "l": 0.92653,
    "c": 0.15681,
    "h": 109.1
  },
  "luminance": 0.81063
}

Semantic roles & 50–950 ramp

primary

#EFEF67

secondary

#3636C4

accent

#08DD08

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFEF67

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

Preview Lab → · Contrast checker → · Palette generator →