#EFFD7B#EFFD7B

#EFFD7B is a very light, vivid yellow. Relative luminance 0.900; OKLCH L 95.8% C 0.155 H 114.4°. Best body text is #000000 at 19.01:1 contrast (WCAG AA passes).

Color values

HEX	#EFFD7B
RGB	rgb(239, 253, 123)
HSL	hsl(66, 97%, 74%)
HSV	hsv(66, 51%, 99%)
CMYK	cmyk(5.5%, 0%, 51.4%, 0.8%)
CIE-LAB	lab(96.01, -22.21, 59.87)
CIE-LCH	lch(96.01, 63.86, 110.35°)
OKLab	oklab(95.79% -0.064 0.1408)
OKLCH	oklch(95.79% 0.155 114.4)
XYZ	xyz(74.2983, 90.0324, 32.1991)
Luminance	0.9003 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFD7B #897BFD

analogous

#FDCA7B #EFFD7B #AEFD7B

triadic

#EFFD7B #7BEFFD #FD7BEF

tetradic

#EFFD7B #7BFDCA #897BFD #FD7BAE

square

#EFFD7B #7BFDCA #897BFD #FD7BAE

split-complementary

#EFFD7B #7BAEFD #CA7BFD

monochromatic

#DFFA04 #E8FC3F #EFFD7B #F6FEB7 #FBFFE1

Accessibility & contrast

On white

1.10

#EFFD7B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.01

#EFFD7B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFD7B

19.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFD7B	#FFFFFF	#000000	##000000
##EFFD7B	1.00	1.10	19.01	19.01
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.01	21.00	1.00	1.00
##000000	19.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF26F

Deuteranopia (green-blind)

#FFF582

Tritanopia (blue-blind)

#FCF1E0

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #effd7b;
/* rgb */ color: rgb(239, 253, 123);
/* oklch */ color: oklch(95.8% 0.155 114.4);

Tailwind

colors: {
  custom: {
    50: '#f6fea4',
    500: '#effd7b',
    950: '#000000',
  },
}

SCSS

$custom: #effd7b;
$custom-light: #f6fea4;
$custom-dark: #000000;

JSON

{
  "hex": "#effd7b",
  "rgb": {
    "r": 239,
    "g": 253,
    "b": 123
  },
  "hsl": {
    "h": 66.462,
    "s": 97.015,
    "l": 73.725
  },
  "oklch": {
    "l": 0.9579,
    "c": 0.15471,
    "h": 114.4
  },
  "luminance": 0.90031
}

Semantic roles & 50–950 ramp

primary

#EFFD7B

secondary

#5241DB

accent

#00E619

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #EFFD7B

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

Preview Lab → · Contrast checker → · Palette generator →