#EFFBB2#EFFBB2

#EFFBB2 is a very light, moderate yellow. Relative luminance 0.906; OKLCH L 96.2% C 0.094 H 115.8°. Best body text is #000000 at 19.11:1 contrast (WCAG AA passes).

Color values

HEX	#EFFBB2
RGB	rgb(239, 251, 178)
HSL	hsl(70, 90%, 84%)
HSV	hsv(70, 29%, 98%)
CMYK	cmyk(4.8%, 0%, 29.1%, 1.6%)
CIE-LAB	lab(96.23, -15.37, 33.76)
CIE-LCH	lch(96.23, 37.09, 114.47°)
OKLab	oklab(96.2% -0.0408 0.0845)
OKLCH	oklch(96.2% 0.094 115.8)
XYZ	xyz(78.1294, 90.5600, 55.4748)
Luminance	0.9056 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFBB2 #BEB2FB

analogous

#FBE3B2 #EFFBB2 #CBFBB2

triadic

#EFFBB2 #B2EFFB #FBB2EF

tetradic

#EFFBB2 #B2FBE3 #BEB2FB #FBB2CB

square

#EFFBB2 #B2FBE3 #BEB2FB #FBB2CB

split-complementary

#EFFBB2 #B2CBFB #E3B2FB

monochromatic

#D7F53E #E3F878 #EFFBB2 #F9FDE2 #F9FDE2

Accessibility & contrast

On white

1.10

#EFFBB2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.11

#EFFBB2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFBB2

19.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFBB2	#FFFFFF	#000000	##000000
##EFFBB2	1.00	1.10	19.11	19.11
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.11	21.00	1.00	1.00
##000000	19.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF4AD

Deuteranopia (green-blind)

#FFF5B5

Tritanopia (blue-blind)

#F7F3E8

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effbb2;
/* rgb */ color: rgb(239, 251, 178);
/* oklch */ color: oklch(96.2% 0.094 115.8);

Tailwind

colors: {
  custom: {
    50: '#f5fcc9',
    500: '#effbb2',
    950: '#000000',
  },
}

SCSS

$custom: #effbb2;
$custom-light: #f5fcc9;
$custom-dark: #000000;

JSON

{
  "hex": "#effbb2",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 178
  },
  "hsl": {
    "h": 69.863,
    "s": 90.123,
    "l": 84.118
  },
  "oklch": {
    "l": 0.96204,
    "c": 0.09385,
    "h": 115.8
  },
  "luminance": 0.90559
}

Semantic roles & 50–950 ramp

primary

#EFFBB2

secondary

#8472DF

accent

#00E626

background

#FFFFFD

surface

#FEFFF9

border

#D6D7D2

text

#171713

muted

#858582

Preview Lab

Preview with #EFFBB2

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

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