#EFFF8D#EFFF8D

#EFFF8D is a very light, vivid yellow. Relative luminance 0.918; OKLCH L 96.4% C 0.140 H 115.6°. Best body text is #000000 at 19.36:1 contrast (WCAG AA passes).

Color values

HEX	#EFFF8D
RGB	rgb(239, 255, 141)
HSL	hsl(68, 100%, 78%)
HSV	hsv(68, 45%, 100%)
CMYK	cmyk(6.3%, 0%, 44.7%, 0%)
CIE-LAB	lab(96.74, -21.51, 52.46)
CIE-LCH	lch(96.74, 56.70, 112.30°)
OKLab	oklab(96.44% -0.0605 0.126)
OKLCH	oklch(96.44% 0.14 115.6)
XYZ	xyz(76.1651, 91.7947, 38.8999)
Luminance	0.9179 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFF8D #9D8DFF

analogous

#FFD68D #EFFF8D #B6FF8D

triadic

#EFFF8D #8DEFFF #FF8DEF

tetradic

#EFFF8D #8DFFD6 #9D8DFF #FF8DB6

square

#EFFF8D #8DFFD6 #9D8DFF #FF8DB6

split-complementary

#EFFF8D #8DB6FF #D68DFF

monochromatic

#DEFF13 #E6FF50 #EFFF8D #F8FFCA #FBFFE0

Accessibility & contrast

On white

1.08

#EFFF8D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.36

#EFFF8D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFF8D

19.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFF8D	#FFFFFF	#000000	##000000
##EFFF8D	1.00	1.08	19.36	19.36
#FFFFFF	1.08	1.00	21.00	21.00
#000000	19.36	21.00	1.00	1.00
##000000	19.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF583

Deuteranopia (green-blind)

#FFF793

Tritanopia (blue-blind)

#FAF4E4

Achromatopsia (no color)

#F6F6F6

Design tokens & code

CSS

--color: #efff8d;
/* rgb */ color: rgb(239, 255, 141);
/* oklch */ color: oklch(96.4% 0.140 115.6);

Tailwind

colors: {
  custom: {
    50: '#f6ffb0',
    500: '#efff8d',
    950: '#000000',
  },
}

SCSS

$custom: #efff8d;
$custom-light: #f6ffb0;
$custom-dark: #000000;

JSON

{
  "hex": "#efff8d",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 141
  },
  "hsl": {
    "h": 68.421,
    "s": 100,
    "l": 77.647
  },
  "oklch": {
    "l": 0.96436,
    "c": 0.13972,
    "h": 115.6
  },
  "luminance": 0.91794
}

Semantic roles & 50–950 ramp

primary

#EFFF8D

secondary

#6450E0

accent

#00E620

background

#FFFFFD

surface

#FFFFF8

border

#D7D7D1

text

#171811

muted

#858681

Preview Lab

Preview with #EFFF8D

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

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