#EFFF73#EFFF73

#EFFF73 is a very light, vivid yellow. Relative luminance 0.911; OKLCH L 96.1% C 0.164 H 115.0°. Best body text is #000000 at 19.22:1 contrast (WCAG AA passes).

Color values

HEX	#EFFF73
RGB	rgb(239, 255, 115)
HSL	hsl(67, 100%, 73%)
HSV	hsv(67, 55%, 100%)
CMYK	cmyk(6.3%, 0%, 54.9%, 0%)
CIE-LAB	lab(96.46, -23.81, 63.92)
CIE-LCH	lch(96.46, 68.21, 110.43°)
OKLab	oklab(96.12% -0.0693 0.1488)
OKLCH	oklch(96.12% 0.164 115)
XYZ	xyz(74.4525, 91.1096, 29.8801)
Luminance	0.9111 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFF73 #8373FF

analogous

#FFC973 #EFFF73 #A9FF73

triadic

#EFFF73 #73EFFF #FF73EF

tetradic

#EFFF73 #73FFC9 #8373FF #FF73A9

square

#EFFF73 #73FFC9 #8373FF #FF73A9

split-complementary

#EFFF73 #73A9FF #C973FF

monochromatic

#DBF800 #E8FF36 #EFFF73 #F6FFB0 #FCFFE0

Accessibility & contrast

On white

1.09

#EFFF73 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.22

#EFFF73 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFF73

19.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFF73	#FFFFFF	#000000	##000000
##EFFF73	1.00	1.09	19.22	19.22
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.22	21.00	1.00	1.00
##000000	19.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF465

Deuteranopia (green-blind)

#FFF67B

Tritanopia (blue-blind)

#FCF2E0

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #efff73;
/* rgb */ color: rgb(239, 255, 115);
/* oklch */ color: oklch(96.1% 0.164 115.0);

Tailwind

colors: {
  custom: {
    50: '#f7ff9f',
    500: '#efff73',
    950: '#000000',
  },
}

SCSS

$custom: #efff73;
$custom-light: #f7ff9f;
$custom-dark: #000000;

JSON

{
  "hex": "#efff73",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 115
  },
  "hsl": {
    "h": 66.857,
    "s": 100,
    "l": 72.549
  },
  "oklch": {
    "l": 0.9612,
    "c": 0.16414,
    "h": 115
  },
  "luminance": 0.91109
}

Semantic roles & 50–950 ramp

primary

#EFFF73

secondary

#4D3ADC

accent

#00E61A

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFFF73

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

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