#EFFF86#EFFF86

#EFFF86 is a very light, vivid yellow. Relative luminance 0.916; OKLCH L 96.3% C 0.147 H 115.4°. Best body text is #000000 at 19.32:1 contrast (WCAG AA passes).

Color values

HEX	#EFFF86
RGB	rgb(239, 255, 134)
HSL	hsl(68, 100%, 76%)
HSV	hsv(68, 47%, 100%)
CMYK	cmyk(6.3%, 0%, 47.5%, 0%)
CIE-LAB	lab(96.65, -22.19, 55.62)
CIE-LCH	lch(96.65, 59.88, 111.74°)
OKLab	oklab(96.34% -0.063 0.1325)
OKLCH	oklch(96.34% 0.147 115.4)
XYZ	xyz(75.6607, 91.5929, 36.2430)
Luminance	0.9159 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFF86 #9686FF

analogous

#FFD386 #EFFF86 #B3FF86

triadic

#EFFF86 #86EFFF #FF86EF

tetradic

#EFFF86 #86FFD3 #9686FF #FF86B3

square

#EFFF86 #86FFD3 #9686FF #FF86B3

split-complementary

#EFFF86 #86B3FF #D386FF

monochromatic

#DFFF0C #E7FF49 #EFFF86 #F7FFC3 #FBFFE0

Accessibility & contrast

On white

1.09

#EFFF86 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.32

#EFFF86 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFF86

19.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFF86	#FFFFFF	#000000	##000000
##EFFF86	1.00	1.09	19.32	19.32
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.32	21.00	1.00	1.00
##000000	19.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF47B

Deuteranopia (green-blind)

#FFF68C

Tritanopia (blue-blind)

#FBF3E3

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #efff86;
/* rgb */ color: rgb(239, 255, 134);
/* oklch */ color: oklch(96.3% 0.147 115.4);

Tailwind

colors: {
  custom: {
    50: '#f6ffac',
    500: '#efff86',
    950: '#000000',
  },
}

SCSS

$custom: #efff86;
$custom-light: #f6ffac;
$custom-dark: #000000;

JSON

{
  "hex": "#efff86",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 134
  },
  "hsl": {
    "h": 67.934,
    "s": 100,
    "l": 76.275
  },
  "oklch": {
    "l": 0.96343,
    "c": 0.14667,
    "h": 115.4
  },
  "luminance": 0.91592
}

Semantic roles & 50–950 ramp

primary

#EFFF86

secondary

#5E4ADF

accent

#00E61E

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171810

muted

#858681

Preview Lab

Preview with #EFFF86

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

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