#EFFF80#EFFF80

#EFFF80 is a very light, vivid yellow. Relative luminance 0.914; OKLCH L 96.3% C 0.152 H 115.3°. Best body text is #000000 at 19.29:1 contrast (WCAG AA passes).

Color values

HEX	#EFFF80
RGB	rgb(239, 255, 128)
HSL	hsl(68, 100%, 75%)
HSV	hsv(68, 50%, 100%)
CMYK	cmyk(6.3%, 0%, 49.8%, 0%)
CIE-LAB	lab(96.59, -22.73, 58.29)
CIE-LCH	lch(96.59, 62.57, 111.30°)
OKLab	oklab(96.27% -0.065 0.1379)
OKLCH	oklch(96.27% 0.152 115.3)
XYZ	xyz(75.2540, 91.4302, 34.1013)
Luminance	0.9143 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFF80 #9080FF

analogous

#FFCF80 #EFFF80 #AFFF80

triadic

#EFFF80 #80EFFF #FF80EF

tetradic

#EFFF80 #80FFCF #9080FF #FF80AF

square

#EFFF80 #80FFCF #9080FF #FF80AF

split-complementary

#EFFF80 #80AFFF #CF80FF

monochromatic

#E0FF06 #E7FF43 #EFFF80 #F7FFBD #FBFFE0

Accessibility & contrast

On white

1.09

#EFFF80 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.29

#EFFF80 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFF80

19.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFF80	#FFFFFF	#000000	##000000
##EFFF80	1.00	1.09	19.29	19.29
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.29	21.00	1.00	1.00
##000000	19.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF474

Deuteranopia (green-blind)

#FFF687

Tritanopia (blue-blind)

#FBF3E2

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #efff80;
/* rgb */ color: rgb(239, 255, 128);
/* oklch */ color: oklch(96.3% 0.152 115.3);

Tailwind

colors: {
  custom: {
    50: '#f6ffa8',
    500: '#efff80',
    950: '#000000',
  },
}

SCSS

$custom: #efff80;
$custom-light: #f6ffa8;
$custom-dark: #000000;

JSON

{
  "hex": "#efff80",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 128
  },
  "hsl": {
    "h": 67.559,
    "s": 100,
    "l": 75.098
  },
  "oklch": {
    "l": 0.96268,
    "c": 0.15242,
    "h": 115.3
  },
  "luminance": 0.91429
}

Semantic roles & 50–950 ramp

primary

#EFFF80

secondary

#5845DE

accent

#00E61D

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFFF80

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

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