#EFEF62#EFEF62

#EFEF62 is a very light, vivid yellow. Relative luminance 0.810; OKLCH L 92.6% C 0.161 H 109.2°. Best body text is #000000 at 17.19:1 contrast (WCAG AA passes).

Color values

HEX	#EFEF62
RGB	rgb(239, 239, 98)
HSL	hsl(60, 82%, 66%)
HSV	hsv(60, 59%, 94%)
CMYK	cmyk(0%, 0%, 59%, 6.3%)
CIE-LAB	lab(92.12, -17.37, 66.33)
CIE-LCH	lch(92.12, 68.57, 104.67°)
OKLab	oklab(92.61% -0.0528 0.1519)
OKLCH	oklch(92.61% 0.161 109.2)
XYZ	xyz(68.6698, 80.9674, 23.5639)
Luminance	0.8097 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEF62 #6262EF

analogous

#EFA862 #EFEF62 #A8EF62

triadic

#EFEF62 #62EFEF #EF62EF

tetradic

#EFEF62 #62EFA8 #6262EF #EF62A8

square

#EFEF62 #62EFA8 #6262EF #EF62A8

split-complementary

#EFEF62 #62A8EF #A862EF

monochromatic

#C3C314 #E9E92A #EFEF62 #F5F59A #FAFAD1

Accessibility & contrast

On white

1.22

#EFEF62 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.19

#EFEF62 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEF62

17.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEF62	#FFFFFF	#000000	##000000
##EFEF62	1.00	1.22	17.19	17.19
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.19	21.00	1.00	1.00
##000000	17.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE652

Deuteranopia (green-blind)

#FFEB6A

Tritanopia (blue-blind)

#FFE1D1

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #efef62;
/* rgb */ color: rgb(239, 239, 98);
/* oklch */ color: oklch(92.6% 0.161 109.2);

Tailwind

colors: {
  custom: {
    50: '#f7f494',
    500: '#efef62',
    950: '#000000',
  },
}

SCSS

$custom: #efef62;
$custom-light: #f7f494;
$custom-dark: #000000;

JSON

{
  "hex": "#efef62",
  "rgb": {
    "r": 239,
    "g": 239,
    "b": 98
  },
  "hsl": {
    "h": 60,
    "s": 81.503,
    "l": 66.078
  },
  "oklch": {
    "l": 0.92605,
    "c": 0.16086,
    "h": 109.2
  },
  "luminance": 0.80966
}

Semantic roles & 50–950 ramp

primary

#EFEF62

secondary

#3535C1

accent

#08DE08

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFEF62

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

Preview Lab → · Contrast checker → · Palette generator →