#EFFD6F#EFFD6F

#EFFD6F is a very light, vivid yellow. Relative luminance 0.897; OKLCH L 95.7% C 0.165 H 114.3°. Best body text is #000000 at 18.95:1 contrast (WCAG AA passes).

Color values

HEX	#EFFD6F
RGB	rgb(239, 253, 111)
HSL	hsl(66, 97%, 71%)
HSV	hsv(66, 56%, 99%)
CMYK	cmyk(5.5%, 0%, 56.1%, 0.8%)
CIE-LAB	lab(95.89, -23.17, 65.01)
CIE-LCH	lch(95.89, 69.01, 109.61°)
OKLab	oklab(95.66% -0.0679 0.1507)
OKLCH	oklch(95.66% 0.165 114.3)
XYZ	xyz(73.5927, 89.7502, 28.4826)
Luminance	0.8975 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFD6F #7D6FFD

analogous

#FDC46F #EFFD6F #A8FD6F

triadic

#EFFD6F #6FEFFD #FD6FEF

tetradic

#EFFD6F #6FFDC4 #7D6FFD #FD6FA8

square

#EFFD6F #6FFDC4 #7D6FFD #FD6FA8

split-complementary

#EFFD6F #6FA8FD #C46FFD

monochromatic

#D7EE03 #E8FC33 #EFFD6F #F6FEAB #FCFFE1

Accessibility & contrast

On white

1.11

#EFFD6F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.95

#EFFD6F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFD6F

18.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFD6F	#FFFFFF	#000000	##000000
##EFFD6F	1.00	1.11	18.95	18.95
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.95	21.00	1.00	1.00
##000000	18.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF260

Deuteranopia (green-blind)

#FFF577

Tritanopia (blue-blind)

#FDF0DE

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #effd6f;
/* rgb */ color: rgb(239, 253, 111);
/* oklch */ color: oklch(95.7% 0.165 114.3);

Tailwind

colors: {
  custom: {
    50: '#f7fe9d',
    500: '#effd6f',
    950: '#000000',
  },
}

SCSS

$custom: #effd6f;
$custom-light: #f7fe9d;
$custom-dark: #000000;

JSON

{
  "hex": "#effd6f",
  "rgb": {
    "r": 239,
    "g": 253,
    "b": 111
  },
  "hsl": {
    "h": 65.915,
    "s": 97.26,
    "l": 71.373
  },
  "oklch": {
    "l": 0.95658,
    "c": 0.16527,
    "h": 114.3
  },
  "luminance": 0.89749
}

Semantic roles & 50–950 ramp

primary

#EFFD6F

secondary

#4737D9

accent

#00E617

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFFD6F

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

Preview Lab → · Contrast checker → · Palette generator →