#EFFD6D#EFFD6D

#EFFD6D is a very light, vivid yellow. Relative luminance 0.897; OKLCH L 95.6% C 0.167 H 114.2°. Best body text is #000000 at 18.94:1 contrast (WCAG AA passes).

Color values

HEX	#EFFD6D
RGB	rgb(239, 253, 109)
HSL	hsl(66, 97%, 71%)
HSV	hsv(66, 57%, 99%)
CMYK	cmyk(5.5%, 0%, 56.9%, 0.8%)
CIE-LAB	lab(95.87, -23.32, 65.84)
CIE-LCH	lch(95.87, 69.85, 109.50°)
OKLab	oklab(95.64% -0.0685 0.1522)
OKLCH	oklch(95.64% 0.167 114.2)
XYZ	xyz(73.4838, 89.7066, 27.9091)
Luminance	0.8971 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFD6D #7B6DFD

analogous

#FDC36D #EFFD6D #A7FD6D

triadic

#EFFD6D #6DEFFD #FD6DEF

tetradic

#EFFD6D #6DFDC3 #7B6DFD #FD6DA7

square

#EFFD6D #6DFDC3 #7B6DFD #FD6DA7

split-complementary

#EFFD6D #6DA7FD #C36DFD

monochromatic

#D6EC03 #E8FC31 #EFFD6D #F6FEA9 #FCFFE1

Accessibility & contrast

On white

1.11

#EFFD6D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.94

#EFFD6D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFD6D

18.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFD6D	#FFFFFF	#000000	##000000
##EFFD6D	1.00	1.11	18.94	18.94
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.94	21.00	1.00	1.00
##000000	18.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF25D

Deuteranopia (green-blind)

#FFF576

Tritanopia (blue-blind)

#FDF0DE

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #effd6d;
/* rgb */ color: rgb(239, 253, 109);
/* oklch */ color: oklch(95.6% 0.167 114.2);

Tailwind

colors: {
  custom: {
    50: '#f7fe9c',
    500: '#effd6d',
    950: '#000000',
  },
}

SCSS

$custom: #effd6d;
$custom-light: #f7fe9c;
$custom-dark: #000000;

JSON

{
  "hex": "#effd6d",
  "rgb": {
    "r": 239,
    "g": 253,
    "b": 109
  },
  "hsl": {
    "h": 65.833,
    "s": 97.297,
    "l": 70.98
  },
  "oklch": {
    "l": 0.95638,
    "c": 0.16694,
    "h": 114.2
  },
  "luminance": 0.89705
}

Semantic roles & 50–950 ramp

primary

#EFFD6D

secondary

#4535D9

accent

#00E616

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #EFFD6D

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

Preview Lab → · Contrast checker → · Palette generator →