#EFFB73#EFFB73

#EFFB73 is a very light, vivid yellow. Relative luminance 0.886; OKLCH L 95.3% C 0.160 H 113.6°. Best body text is #000000 at 18.72:1 contrast (WCAG AA passes).

Color values

HEX	#EFFB73
RGB	rgb(239, 251, 115)
HSL	hsl(65, 94%, 72%)
HSV	hsv(65, 54%, 98%)
CMYK	cmyk(4.8%, 0%, 54.2%, 1.6%)
CIE-LAB	lab(95.41, -21.91, 62.72)
CIE-LCH	lch(95.41, 66.44, 109.25°)
OKLab	oklab(95.28% -0.064 0.1462)
OKLCH	oklch(95.28% 0.16 113.6)
XYZ	xyz(73.1898, 88.5841, 29.4592)
Luminance	0.8858 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFB73 #7F73FB

analogous

#FBC373 #EFFB73 #ABFB73

triadic

#EFFB73 #73EFFB #FB73EF

tetradic

#EFFB73 #73FBC3 #7F73FB #FB73AB

square

#EFFB73 #73FBC3 #7F73FB #FB73AB

split-complementary

#EFFB73 #73ABFB #C373FB

monochromatic

#D9ED07 #E8F938 #EFFB73 #F6FDAF #FCFEE1

Accessibility & contrast

On white

1.12

#EFFB73 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.72

#EFFB73 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFB73

18.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFB73	#FFFFFF	#000000	##000000
##EFFB73	1.00	1.12	18.72	18.72
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.72	21.00	1.00	1.00
##000000	18.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF065

Deuteranopia (green-blind)

#FFF37B

Tritanopia (blue-blind)

#FDEEDD

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #effb73;
/* rgb */ color: rgb(239, 251, 115);
/* oklch */ color: oklch(95.3% 0.160 113.6);

Tailwind

colors: {
  custom: {
    50: '#f7fc9f',
    500: '#effb73',
    950: '#000000',
  },
}

SCSS

$custom: #effb73;
$custom-light: #f7fc9f;
$custom-dark: #000000;

JSON

{
  "hex": "#effb73",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 115
  },
  "hsl": {
    "h": 65.294,
    "s": 94.444,
    "l": 71.765
  },
  "oklch": {
    "l": 0.95281,
    "c": 0.15959,
    "h": 113.6
  },
  "luminance": 0.88583
}

Semantic roles & 50–950 ramp

primary

#EFFB73

secondary

#493BD7

accent

#00E614

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFFB73

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

Preview Lab → · Contrast checker → · Palette generator →