#EFEF4D#EFEF4D

#EFEF4D is a very light, vivid yellow. Relative luminance 0.806; OKLCH L 92.4% C 0.176 H 109.4°. Best body text is #000000 at 17.12:1 contrast (WCAG AA passes).

Color values

HEX	#EFEF4D
RGB	rgb(239, 239, 77)
HSL	hsl(60, 84%, 62%)
HSV	hsv(60, 68%, 94%)
CMYK	cmyk(0%, 0%, 67.8%, 6.3%)
CIE-LAB	lab(91.96, -18.59, 74.36)
CIE-LCH	lch(91.96, 76.65, 104.04°)
OKLab	oklab(92.43% -0.0584 0.1658)
OKLCH	oklch(92.43% 0.176 109.4)
XYZ	xyz(67.8050, 80.6215, 19.0095)
Luminance	0.8062 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEF4D #4D4DEF

analogous

#EF9E4D #EFEF4D #9EEF4D

triadic

#EFEF4D #4DEFEF #EF4DEF

tetradic

#EFEF4D #4DEF9E #4D4DEF #EF4D9E

square

#EFEF4D #4DEF9E #4D4DEF #EF4D9E

split-complementary

#EFEF4D #4D9EEF #9E4DEF

monochromatic

#B2B210 #EAEA15 #EFEF4D #F4F485 #F9F9BD

Accessibility & contrast

On white

1.23

#EFEF4D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.12

#EFEF4D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEF4D

17.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEF4D	#FFFFFF	#000000	##000000
##EFEF4D	1.00	1.23	17.12	17.12
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.12	21.00	1.00	1.00
##000000	17.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE533

Deuteranopia (green-blind)

#FFEA59

Tritanopia (blue-blind)

#FFE0CF

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #efef4d;
/* rgb */ color: rgb(239, 239, 77);
/* oklch */ color: oklch(92.4% 0.176 109.4);

Tailwind

colors: {
  custom: {
    50: '#f8f488',
    500: '#efef4d',
    950: '#000000',
  },
}

SCSS

$custom: #efef4d;
$custom-light: #f8f488;
$custom-dark: #000000;

JSON

{
  "hex": "#efef4d",
  "rgb": {
    "r": 239,
    "g": 239,
    "b": 77
  },
  "hsl": {
    "h": 60,
    "s": 83.505,
    "l": 61.961
  },
  "oklch": {
    "l": 0.92432,
    "c": 0.17579,
    "h": 109.4
  },
  "luminance": 0.8062
}

Semantic roles & 50–950 ramp

primary

#EFEF4D

secondary

#2F2FB2

accent

#06E006

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170C

muted

#86857F

Preview Lab

Preview with #EFEF4D

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

Preview Lab → · Contrast checker → · Palette generator →