#EFEC78#EFEC78

#EFEC78 is a very light, vivid yellow. Relative luminance 0.797; OKLCH L 92.2% C 0.139 H 107.5°. Best body text is #000000 at 16.94:1 contrast (WCAG AA passes).

Color values

HEX	#EFEC78
RGB	rgb(239, 236, 120)
HSL	hsl(58, 79%, 70%)
HSV	hsv(58, 50%, 94%)
CMYK	cmyk(0%, 1.3%, 49.8%, 6.3%)
CIE-LAB	lab(91.55, -14.24, 55.99)
CIE-LCH	lch(91.55, 57.78, 104.27°)
OKLab	oklab(92.22% -0.0416 0.1321)
OKLCH	oklch(92.22% 0.139 107.5)
XYZ	xyz(68.9839, 79.6995, 29.5153)
Luminance	0.7970 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEC78 #787BEF

analogous

#EFB078 #EFEC78 #B7EF78

triadic

#EFEC78 #78EFEC #EC78EF

tetradic

#EFEC78 #78EFB0 #787BEF #EF78B7

square

#EFEC78 #78EFB0 #787BEF #EF78B7

split-complementary

#EFEC78 #78B7EF #B078EF

monochromatic

#D4CF19 #E9E441 #EFEC78 #F5F4AF #FCFBE4

Accessibility & contrast

On white

1.24

#EFEC78 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.94

#EFEC78 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEC78

16.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEC78	#FFFFFF	#000000	##000000
##EFEC78	1.00	1.24	16.94	16.94
#FFFFFF	1.24	1.00	21.00	21.00
#000000	16.94	21.00	1.00	1.00
##000000	16.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FCE46D

Deuteranopia (green-blind)

#FFE97E

Tritanopia (blue-blind)

#FDDFD2

Achromatopsia (no color)

#E7E7E7

Design tokens & code

CSS

--color: #efec78;
/* rgb */ color: rgb(239, 236, 120);
/* oklch */ color: oklch(92.2% 0.139 107.5);

Tailwind

colors: {
  custom: {
    50: '#f6f2a2',
    500: '#efec78',
    950: '#000000',
  },
}

SCSS

$custom: #efec78;
$custom-light: #f6f2a2;
$custom-dark: #000000;

JSON

{
  "hex": "#efec78",
  "rgb": {
    "r": 239,
    "g": 236,
    "b": 120
  },
  "hsl": {
    "h": 58.487,
    "s": 78.808,
    "l": 70.392
  },
  "oklch": {
    "l": 0.92221,
    "c": 0.13855,
    "h": 107.5
  },
  "luminance": 0.79698
}

Semantic roles & 50–950 ramp

primary

#EFEC78

secondary

#4346C9

accent

#10DB0A

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17160F

muted

#858580

Preview Lab

Preview with #EFEC78

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

Preview Lab → · Contrast checker → · Palette generator →