#EFFD6E#EFFD6E

#EFFD6E is a very light, vivid yellow. Relative luminance 0.897; OKLCH L 95.6% C 0.166 H 114.2°. Best body text is #000000 at 18.95:1 contrast (WCAG AA passes).

Color values

HEX	#EFFD6E
RGB	rgb(239, 253, 110)
HSL	hsl(66, 97%, 71%)
HSV	hsv(66, 57%, 99%)
CMYK	cmyk(5.5%, 0%, 56.5%, 0.8%)
CIE-LAB	lab(95.88, -23.24, 65.43)
CIE-LCH	lch(95.88, 69.43, 109.56°)
OKLab	oklab(95.65% -0.0682 0.1515)
OKLCH	oklch(95.65% 0.166 114.2)
XYZ	xyz(73.5379, 89.7283, 28.1942)
Luminance	0.8973 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFD6E #7C6EFD

analogous

#FDC36E #EFFD6E #A7FD6E

triadic

#EFFD6E #6EEFFD #FD6EEF

tetradic

#EFFD6E #6EFDC3 #7C6EFD #FD6EA7

square

#EFFD6E #6EFDC3 #7C6EFD #FD6EA7

split-complementary

#EFFD6E #6EA7FD #C36EFD

monochromatic

#D6ED03 #E8FC32 #EFFD6E #F6FEAA #FCFFE1

Accessibility & contrast

On white

1.11

#EFFD6E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.95

#EFFD6E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFD6E

18.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFD6E	#FFFFFF	#000000	##000000
##EFFD6E	1.00	1.11	18.95	18.95
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.95	21.00	1.00	1.00
##000000	18.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF25F

Deuteranopia (green-blind)

#FFF577

Tritanopia (blue-blind)

#FDF0DE

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #effd6e;
/* rgb */ color: rgb(239, 253, 110);
/* oklch */ color: oklch(95.6% 0.166 114.2);

Tailwind

colors: {
  custom: {
    50: '#f7fe9c',
    500: '#effd6e',
    950: '#000000',
  },
}

SCSS

$custom: #effd6e;
$custom-light: #f7fe9c;
$custom-dark: #000000;

JSON

{
  "hex": "#effd6e",
  "rgb": {
    "r": 239,
    "g": 253,
    "b": 110
  },
  "hsl": {
    "h": 65.874,
    "s": 97.279,
    "l": 71.176
  },
  "oklch": {
    "l": 0.95648,
    "c": 0.16611,
    "h": 114.2
  },
  "luminance": 0.89727
}

Semantic roles & 50–950 ramp

primary

#EFFD6E

secondary

#4636D9

accent

#00E616

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFFD6E

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

Preview Lab → · Contrast checker → · Palette generator →