#EFFC69#EFFC69

#EFFC69 is a very light, vivid yellow. Relative luminance 0.890; OKLCH L 95.4% C 0.169 H 113.9°. Best body text is #000000 at 18.80:1 contrast (WCAG AA passes).

Color values

HEX	#EFFC69
RGB	rgb(239, 252, 105)
HSL	hsl(65, 96%, 70%)
HSV	hsv(65, 58%, 99%)
CMYK	cmyk(5.2%, 0%, 58.3%, 1.2%)
CIE-LAB	lab(95.58, -23.13, 67.20)
CIE-LCH	lch(95.58, 71.07, 108.99°)
OKLab	oklab(95.39% -0.0684 0.1547)
OKLCH	oklch(95.39% 0.169 113.9)
XYZ	xyz(72.9585, 88.9927, 26.6958)
Luminance	0.8899 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFC69 #7669FC

analogous

#FCBF69 #EFFC69 #A6FC69

triadic

#EFFC69 #69EFFC #FC69EF

tetradic

#EFFC69 #69FCBF #7669FC #FC69A6

square

#EFFC69 #69FCBF #7669FC #FC69A6

split-complementary

#EFFC69 #69A6FC #BF69FC

monochromatic

#D2E605 #E9FB2D #EFFC69 #F5FDA5 #FCFEE1

Accessibility & contrast

On white

1.12

#EFFC69 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.80

#EFFC69 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFC69

18.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFC69	#FFFFFF	#000000	##000000
##EFFC69	1.00	1.12	18.80	18.80
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.80	21.00	1.00	1.00
##000000	18.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF158

Deuteranopia (green-blind)

#FFF472

Tritanopia (blue-blind)

#FDEFDD

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #effc69;
/* rgb */ color: rgb(239, 252, 105);
/* oklch */ color: oklch(95.4% 0.169 113.9);

Tailwind

colors: {
  custom: {
    50: '#f7fd99',
    500: '#effc69',
    950: '#000000',
  },
}

SCSS

$custom: #effc69;
$custom-light: #f7fd99;
$custom-dark: #000000;

JSON

{
  "hex": "#effc69",
  "rgb": {
    "r": 239,
    "g": 252,
    "b": 105
  },
  "hsl": {
    "h": 65.306,
    "s": 96.078,
    "l": 70
  },
  "oklch": {
    "l": 0.95388,
    "c": 0.16909,
    "h": 113.9
  },
  "luminance": 0.88991
}

Semantic roles & 50–950 ramp

primary

#EFFC69

secondary

#4132D7

accent

#00E614

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFFC69

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

Preview Lab → · Contrast checker → · Palette generator →