#EFF899#EFF899

#EFF899 is a very light, moderate yellow. Relative luminance 0.878; OKLCH L 95.2% C 0.118 H 113.1°. Best body text is #000000 at 18.56:1 contrast (WCAG AA passes).

Color values

HEX	#EFF899
RGB	rgb(239, 248, 153)
HSL	hsl(66, 87%, 79%)
HSV	hsv(66, 38%, 97%)
CMYK	cmyk(3.6%, 0%, 38.3%, 2.7%)
CIE-LAB	lab(95.07, -16.89, 44.62)
CIE-LCH	lch(95.07, 47.71, 110.73°)
OKLab	oklab(95.16% -0.0464 0.109)
OKLCH	oklch(95.16% 0.118 113.1)
XYZ	xyz(74.9144, 87.7864, 43.1288)
Luminance	0.8779 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF899 #A299F8

analogous

#F8D199 #EFF899 #BFF899

triadic

#EFF899 #99EFF8 #F899EF

tetradic

#EFF899 #99F8D1 #A299F8 #F899BF

square

#EFF899 #99F8D1 #A299F8 #F899BF

split-complementary

#EFF899 #99BFF8 #D199F8

monochromatic

#DDF026 #E6F460 #EFF899 #F8FCD2 #FBFDE2

Accessibility & contrast

On white

1.13

#EFF899 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.56

#EFF899 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF899

18.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF899	#FFFFFF	#000000	##000000
##EFF899	1.00	1.13	18.56	18.56
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.56	21.00	1.00	1.00
##000000	18.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF092

Deuteranopia (green-blind)

#FFF29D

Tritanopia (blue-blind)

#FAEEE1

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #eff899;
/* rgb */ color: rgb(239, 248, 153);
/* oklch */ color: oklch(95.2% 0.118 113.1);

Tailwind

colors: {
  custom: {
    50: '#f5fab8',
    500: '#eff899',
    950: '#000000',
  },
}

SCSS

$custom: #eff899;
$custom-light: #f5fab8;
$custom-dark: #000000;

JSON

{
  "hex": "#eff899",
  "rgb": {
    "r": 239,
    "g": 248,
    "b": 153
  },
  "hsl": {
    "h": 65.684,
    "s": 87.156,
    "l": 78.627
  },
  "oklch": {
    "l": 0.95158,
    "c": 0.11844,
    "h": 113.1
  },
  "luminance": 0.87785
}

Semantic roles & 50–950 ramp

primary

#EFF899

secondary

#695DD8

accent

#02E417

background

#FFFFFD

surface

#FFFFF8

border

#D7D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFF899

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

Preview Lab → · Contrast checker → · Palette generator →