#EFFE65#EFFE65

#EFFE65 is a very light, vivid yellow. Relative luminance 0.902; OKLCH L 95.8% C 0.174 H 114.5°. Best body text is #000000 at 19.03:1 contrast (WCAG AA passes).

Color values

HEX	#EFFE65
RGB	rgb(239, 254, 101)
HSL	hsl(66, 99%, 70%)
HSV	hsv(66, 60%, 100%)
CMYK	cmyk(5.9%, 0%, 60.2%, 0.4%)
CIE-LAB	lab(96.07, -24.35, 69.38)
CIE-LCH	lch(96.07, 73.53, 109.34°)
OKLab	oklab(95.77% -0.0722 0.1588)
OKLCH	oklch(95.77% 0.174 114.5)
XYZ	xyz(73.3891, 90.1752, 25.8489)
Luminance	0.9017 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFE65 #7465FE

analogous

#FEC065 #EFFE65 #A3FE65

triadic

#EFFE65 #65EFFE #FE65EF

tetradic

#EFFE65 #65FEC0 #7465FE #FE65A3

square

#EFFE65 #65FEC0 #7465FE #FE65A3

split-complementary

#EFFE65 #65A3FE #C065FE

monochromatic

#D1E702 #E9FE28 #EFFE65 #F5FEA2 #FCFFDF

Accessibility & contrast

On white

1.10

#EFFE65 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.03

#EFFE65 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFE65

19.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFE65	#FFFFFF	#000000	##000000
##EFFE65	1.00	1.10	19.03	19.03
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.03	21.00	1.00	1.00
##000000	19.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF253

Deuteranopia (green-blind)

#FFF56F

Tritanopia (blue-blind)

#FDF0DE

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effe65;
/* rgb */ color: rgb(239, 254, 101);
/* oklch */ color: oklch(95.8% 0.174 114.5);

Tailwind

colors: {
  custom: {
    50: '#f7fe97',
    500: '#effe65',
    950: '#000000',
  },
}

SCSS

$custom: #effe65;
$custom-light: #f7fe97;
$custom-dark: #000000;

JSON

{
  "hex": "#effe65",
  "rgb": {
    "r": 239,
    "g": 254,
    "b": 101
  },
  "hsl": {
    "h": 65.882,
    "s": 98.71,
    "l": 69.608
  },
  "oklch": {
    "l": 0.95771,
    "c": 0.17444,
    "h": 114.5
  },
  "luminance": 0.90174
}

Semantic roles & 50–950 ramp

primary

#EFFE65

secondary

#3F2ED9

accent

#00E616

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFFE65

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

Preview Lab → · Contrast checker → · Palette generator →