#EFFB6D#EFFB6D

#EFFB6D is a very light, vivid yellow. Relative luminance 0.884; OKLCH L 95.2% C 0.165 H 113.6°. Best body text is #000000 at 18.69:1 contrast (WCAG AA passes).

Color values

HEX	#EFFB6D
RGB	rgb(239, 251, 109)
HSL	hsl(65, 95%, 71%)
HSV	hsv(65, 57%, 98%)
CMYK	cmyk(4.8%, 0%, 56.6%, 1.6%)
CIE-LAB	lab(95.35, -22.37, 65.26)
CIE-LCH	lch(95.35, 68.98, 108.92°)
OKLab	oklab(95.22% -0.0658 0.151)
OKLCH	oklch(95.22% 0.165 113.6)
XYZ	xyz(72.8557, 88.4505, 27.6997)
Luminance	0.8845 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFB6D #796DFB

analogous

#FBC06D #EFFB6D #A8FB6D

triadic

#EFFB6D #6DEFFB #FB6DEF

tetradic

#EFFB6D #6DFBC0 #796DFB #FB6DA8

square

#EFFB6D #6DFBC0 #796DFB #FB6DA8

split-complementary

#EFFB6D #6DA8FB #C06DFB

monochromatic

#D4E706 #E8F931 #EFFB6D #F6FDA9 #FCFEE1

Accessibility & contrast

On white

1.12

#EFFB6D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.69

#EFFB6D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFB6D

18.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFB6D	#FFFFFF	#000000	##000000
##EFFB6D	1.00	1.12	18.69	18.69
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.69	21.00	1.00	1.00
##000000	18.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF05E

Deuteranopia (green-blind)

#FFF375

Tritanopia (blue-blind)

#FDEEDC

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #effb6d;
/* rgb */ color: rgb(239, 251, 109);
/* oklch */ color: oklch(95.2% 0.165 113.6);

Tailwind

colors: {
  custom: {
    50: '#f7fc9b',
    500: '#effb6d',
    950: '#000000',
  },
}

SCSS

$custom: #effb6d;
$custom-light: #f7fc9b;
$custom-dark: #000000;

JSON

{
  "hex": "#effb6d",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 109
  },
  "hsl": {
    "h": 65.07,
    "s": 94.667,
    "l": 70.588
  },
  "oklch": {
    "l": 0.95218,
    "c": 0.16471,
    "h": 113.6
  },
  "luminance": 0.88449
}

Semantic roles & 50–950 ramp

primary

#EFFB6D

secondary

#4436D6

accent

#00E613

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFFB6D

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

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