#EFFE68#EFFE68

#EFFE68 is a very light, vivid yellow. Relative luminance 0.902; OKLCH L 95.8% C 0.172 H 114.5°. Best body text is #000000 at 19.05:1 contrast (WCAG AA passes).

Color values

HEX	#EFFE68
RGB	rgb(239, 254, 104)
HSL	hsl(66, 99%, 70%)
HSV	hsv(66, 59%, 100%)
CMYK	cmyk(5.9%, 0%, 59.1%, 0.4%)
CIE-LAB	lab(96.09, -24.15, 68.18)
CIE-LCH	lch(96.09, 72.33, 109.50°)
OKLab	oklab(95.8% -0.0713 0.1566)
OKLCH	oklch(95.8% 0.172 114.5)
XYZ	xyz(73.5387, 90.2350, 26.6372)
Luminance	0.9023 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFE68 #7768FE

analogous

#FEC268 #EFFE68 #A4FE68

triadic

#EFFE68 #68EFFE #FE68EF

tetradic

#EFFE68 #68FEC2 #7768FE #FE68A4

square

#EFFE68 #68FEC2 #7768FE #FE68A4

split-complementary

#EFFE68 #68A4FE #C268FE

monochromatic

#D3EA02 #E9FE2B #EFFE68 #F5FEA5 #FCFFE1

Accessibility & contrast

On white

1.10

#EFFE68 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.05

#EFFE68 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFE68

19.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFE68	#FFFFFF	#000000	##000000
##EFFE68	1.00	1.10	19.05	19.05
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.05	21.00	1.00	1.00
##000000	19.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF257

Deuteranopia (green-blind)

#FFF571

Tritanopia (blue-blind)

#FDF0DE

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effe68;
/* rgb */ color: rgb(239, 254, 104);
/* oklch */ color: oklch(95.8% 0.172 114.5);

Tailwind

colors: {
  custom: {
    50: '#f7fe99',
    500: '#effe68',
    950: '#000000',
  },
}

SCSS

$custom: #effe68;
$custom-light: #f7fe99;
$custom-dark: #000000;

JSON

{
  "hex": "#effe68",
  "rgb": {
    "r": 239,
    "g": 254,
    "b": 104
  },
  "hsl": {
    "h": 66,
    "s": 98.684,
    "l": 70.196
  },
  "oklch": {
    "l": 0.95799,
    "c": 0.1721,
    "h": 114.5
  },
  "luminance": 0.90234
}

Semantic roles & 50–950 ramp

primary

#EFFE68

secondary

#4231D9

accent

#00E617

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFFE68

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

Preview Lab → · Contrast checker → · Palette generator →