#EFFE6D#EFFE6D

#EFFE6D is a very light, vivid yellow. Relative luminance 0.903; OKLCH L 95.8% C 0.168 H 114.6°. Best body text is #000000 at 19.07:1 contrast (WCAG AA passes).

Color values

HEX	#EFFE6D
RGB	rgb(239, 254, 109)
HSL	hsl(66, 99%, 71%)
HSV	hsv(66, 57%, 100%)
CMYK	cmyk(5.9%, 0%, 57.1%, 0.4%)
CIE-LAB	lab(96.14, -23.79, 66.14)
CIE-LCH	lch(96.14, 70.28, 109.78°)
OKLab	oklab(95.85% -0.0698 0.1529)
OKLCH	oklch(95.85% 0.168 114.6)
XYZ	xyz(73.8003, 90.3396, 28.0146)
Luminance	0.9034 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFE6D #7C6DFE

analogous

#FEC46D #EFFE6D #A6FE6D

triadic

#EFFE6D #6DEFFE #FE6DEF

tetradic

#EFFE6D #6DFEC4 #7C6DFE #FE6DA6

square

#EFFE6D #6DFEC4 #7C6DFE #FE6DA6

split-complementary

#EFFE6D #6DA6FE #C46DFE

monochromatic

#D6EF02 #E8FE30 #EFFE6D #F6FEAA #FCFFE1

Accessibility & contrast

On white

1.10

#EFFE6D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.07

#EFFE6D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFE6D

19.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFE6D	#FFFFFF	#000000	##000000
##EFFE6D	1.00	1.10	19.07	19.07
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.07	21.00	1.00	1.00
##000000	19.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF35D

Deuteranopia (green-blind)

#FFF576

Tritanopia (blue-blind)

#FDF1DF

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effe6d;
/* rgb */ color: rgb(239, 254, 109);
/* oklch */ color: oklch(95.8% 0.168 114.6);

Tailwind

colors: {
  custom: {
    50: '#f7fe9c',
    500: '#effe6d',
    950: '#000000',
  },
}

SCSS

$custom: #effe6d;
$custom-light: #f7fe9c;
$custom-dark: #000000;

JSON

{
  "hex": "#effe6d",
  "rgb": {
    "r": 239,
    "g": 254,
    "b": 109
  },
  "hsl": {
    "h": 66.207,
    "s": 98.639,
    "l": 71.176
  },
  "oklch": {
    "l": 0.95848,
    "c": 0.16806,
    "h": 114.6
  },
  "luminance": 0.90338
}

Semantic roles & 50–950 ramp

primary

#EFFE6D

secondary

#4635DA

accent

#00E618

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFFE6D

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

Preview Lab → · Contrast checker → · Palette generator →