#EFF8A3#EFF8A3

#EFF8A3 is a very light, moderate yellow. Relative luminance 0.881; OKLCH L 95.3% C 0.107 H 113.4°. Best body text is #000000 at 18.63:1 contrast (WCAG AA passes).

Color values

HEX	#EFF8A3
RGB	rgb(239, 248, 163)
HSL	hsl(66, 86%, 81%)
HSV	hsv(66, 34%, 97%)
CMYK	cmyk(3.6%, 0%, 34.3%, 2.7%)
CIE-LAB	lab(95.22, -15.75, 39.89)
CIE-LCH	lch(95.22, 42.89, 111.55°)
OKLab	oklab(95.32% -0.0426 0.0985)
OKLCH	oklch(95.32% 0.107 113.4)
XYZ	xyz(75.7752, 88.1308, 47.6623)
Luminance	0.8813 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF8A3 #ACA3F8

analogous

#F8D6A3 #EFF8A3 #C4F8A3

triadic

#EFF8A3 #A3EFF8 #F8A3EF

tetradic

#EFF8A3 #A3F8D6 #ACA3F8 #F8A3C4

square

#EFF8A3 #A3F8D6 #ACA3F8 #F8A3C4

split-complementary

#EFF8A3 #A3C4F8 #D6A3F8

monochromatic

#DBEF31 #E5F46A #EFF8A3 #F9FCDC #FAFDE3

Accessibility & contrast

On white

1.13

#EFF8A3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.63

#EFF8A3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF8A3

18.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF8A3	#FFFFFF	#000000	##000000
##EFF8A3	1.00	1.13	18.63	18.63
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.63	21.00	1.00	1.00
##000000	18.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF09D

Deuteranopia (green-blind)

#FFF2A7

Tritanopia (blue-blind)

#F9EFE3

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #eff8a3;
/* rgb */ color: rgb(239, 248, 163);
/* oklch */ color: oklch(95.3% 0.107 113.4);

Tailwind

colors: {
  custom: {
    50: '#f5fabf',
    500: '#eff8a3',
    950: '#000000',
  },
}

SCSS

$custom: #eff8a3;
$custom-light: #f5fabf;
$custom-dark: #000000;

JSON

{
  "hex": "#eff8a3",
  "rgb": {
    "r": 239,
    "g": 248,
    "b": 163
  },
  "hsl": {
    "h": 66.353,
    "s": 85.859,
    "l": 80.588
  },
  "oklch": {
    "l": 0.95321,
    "c": 0.1073,
    "h": 113.4
  },
  "luminance": 0.8813
}

Semantic roles & 50–950 ramp

primary

#EFF8A3

secondary

#7266D9

accent

#03E21B

background

#FFFFFD

surface

#FEFFF9

border

#D6D7D2

text

#171712

muted

#858582

Preview Lab

Preview with #EFF8A3

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

Preview Lab → · Contrast checker → · Palette generator →