#EFFA99#EFFA99

#EFFA99 is a very light, vivid yellow. Relative luminance 0.890; OKLCH L 95.6% C 0.121 H 114.0°. Best body text is #000000 at 18.80:1 contrast (WCAG AA passes).

Color values

HEX	#EFFA99
RGB	rgb(239, 250, 153)
HSL	hsl(67, 91%, 79%)
HSV	hsv(67, 39%, 98%)
CMYK	cmyk(4.4%, 0%, 38.8%, 2%)
CIE-LAB	lab(95.59, -17.86, 45.28)
CIE-LCH	lch(95.59, 48.68, 111.53°)
OKLab	oklab(95.57% -0.0492 0.1105)
OKLCH	oklch(95.57% 0.121 114)
XYZ	xyz(75.5326, 89.0228, 43.3349)
Luminance	0.8902 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFA99 #A499FA

analogous

#FAD599 #EFFA99 #BFFA99

triadic

#EFFA99 #99EFFA #FA99EF

tetradic

#EFFA99 #99FAD5 #A499FA #FA99BF

square

#EFFA99 #99FAD5 #A499FA #FA99BF

split-complementary

#EFFA99 #99BFFA #D599FA

monochromatic

#DDF424 #E6F75F #EFFA99 #F8FDD3 #FAFEE2

Accessibility & contrast

On white

1.12

#EFFA99 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.80

#EFFA99 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFA99

18.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFA99	#FFFFFF	#000000	##000000
##EFFA99	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)

#FFF192

Deuteranopia (green-blind)

#FFF39D

Tritanopia (blue-blind)

#FAF0E2

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #effa99;
/* rgb */ color: rgb(239, 250, 153);
/* oklch */ color: oklch(95.6% 0.121 114.0);

Tailwind

colors: {
  custom: {
    50: '#f5fbb8',
    500: '#effa99',
    950: '#000000',
  },
}

SCSS

$custom: #effa99;
$custom-light: #f5fbb8;
$custom-dark: #000000;

JSON

{
  "hex": "#effa99",
  "rgb": {
    "r": 239,
    "g": 250,
    "b": 153
  },
  "hsl": {
    "h": 66.804,
    "s": 90.654,
    "l": 79.02
  },
  "oklch": {
    "l": 0.95572,
    "c": 0.12093,
    "h": 114
  },
  "luminance": 0.89022
}

Semantic roles & 50–950 ramp

primary

#EFFA99

secondary

#6B5DDB

accent

#00E61A

background

#FFFFFD

surface

#FFFFF8

border

#D7D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFFA99

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

Preview Lab → · Contrast checker → · Palette generator →