#EFFE73#EFFE73

#EFFE73 is a very light, vivid yellow. Relative luminance 0.905; OKLCH L 95.9% C 0.163 H 114.6°. Best body text is #000000 at 19.09:1 contrast (WCAG AA passes).

Color values

HEX	#EFFE73
RGB	rgb(239, 254, 115)
HSL	hsl(66, 99%, 72%)
HSV	hsv(66, 55%, 100%)
CMYK	cmyk(5.9%, 0%, 54.7%, 0.4%)
CIE-LAB	lab(96.19, -23.34, 63.62)
CIE-LCH	lch(96.19, 67.77, 110.14°)
OKLab	oklab(95.91% -0.068 0.1481)
OKLCH	oklch(95.91% 0.163 114.6)
XYZ	xyz(74.1344, 90.4733, 29.7741)
Luminance	0.9047 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFE73 #8273FE

analogous

#FEC873 #EFFE73 #A9FE73

triadic

#EFFE73 #73EFFE #FE73EF

tetradic

#EFFE73 #73FEC8 #8273FE #FE73A9

square

#EFFE73 #73FEC8 #8273FE #FE73A9

split-complementary

#EFFE73 #73A9FE #C873FE

monochromatic

#DBF502 #E8FE36 #EFFE73 #F6FEB0 #FCFFE1

Accessibility & contrast

On white

1.10

#EFFE73 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.09

#EFFE73 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFE73

19.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFE73	#FFFFFF	#000000	##000000
##EFFE73	1.00	1.10	19.09	19.09
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.09	21.00	1.00	1.00
##000000	19.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF365

Deuteranopia (green-blind)

#FFF57B

Tritanopia (blue-blind)

#FCF1DF

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effe73;
/* rgb */ color: rgb(239, 254, 115);
/* oklch */ color: oklch(95.9% 0.163 114.6);

Tailwind

colors: {
  custom: {
    50: '#f7fe9f',
    500: '#effe73',
    950: '#000000',
  },
}

SCSS

$custom: #effe73;
$custom-light: #f7fe9f;
$custom-dark: #000000;

JSON

{
  "hex": "#effe73",
  "rgb": {
    "r": 239,
    "g": 254,
    "b": 115
  },
  "hsl": {
    "h": 66.475,
    "s": 98.582,
    "l": 72.353
  },
  "oklch": {
    "l": 0.9591,
    "c": 0.16299,
    "h": 114.6
  },
  "luminance": 0.90472
}

Semantic roles & 50–950 ramp

primary

#EFFE73

secondary

#4C3ADB

accent

#00E619

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFFE73

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

Preview Lab → · Contrast checker → · Palette generator →