#EFFBB1#EFFBB1

#EFFBB1 is a very light, moderate yellow. Relative luminance 0.905; OKLCH L 96.2% C 0.095 H 115.7°. Best body text is #000000 at 19.10:1 contrast (WCAG AA passes).

Color values

HEX	#EFFBB1
RGB	rgb(239, 251, 177)
HSL	hsl(70, 90%, 84%)
HSV	hsv(70, 29%, 98%)
CMYK	cmyk(4.8%, 0%, 29.5%, 1.6%)
CIE-LAB	lab(96.21, -15.50, 34.24)
CIE-LCH	lch(96.21, 37.58, 114.35°)
OKLab	oklab(96.19% -0.0412 0.0856)
OKLCH	oklch(96.19% 0.095 115.7)
XYZ	xyz(78.0294, 90.5200, 54.9479)
Luminance	0.9052 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFBB1 #BDB1FB

analogous

#FBE2B1 #EFFBB1 #CAFBB1

triadic

#EFFBB1 #B1EFFB #FBB1EF

tetradic

#EFFBB1 #B1FBE2 #BDB1FB #FBB1CA

square

#EFFBB1 #B1FBE2 #BDB1FB #FBB1CA

split-complementary

#EFFBB1 #B1CAFB #E2B1FB

monochromatic

#D7F53D #E3F877 #EFFBB1 #F9FEE2 #F9FEE2

Accessibility & contrast

On white

1.10

#EFFBB1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.10

#EFFBB1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFBB1

19.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFBB1	#FFFFFF	#000000	##000000
##EFFBB1	1.00	1.10	19.10	19.10
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.10	21.00	1.00	1.00
##000000	19.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF4AC

Deuteranopia (green-blind)

#FFF5B4

Tritanopia (blue-blind)

#F7F3E8

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #effbb1;
/* rgb */ color: rgb(239, 251, 177);
/* oklch */ color: oklch(96.2% 0.095 115.7);

Tailwind

colors: {
  custom: {
    50: '#f5fcc9',
    500: '#effbb1',
    950: '#000000',
  },
}

SCSS

$custom: #effbb1;
$custom-light: #f5fcc9;
$custom-dark: #000000;

JSON

{
  "hex": "#effbb1",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 177
  },
  "hsl": {
    "h": 69.73,
    "s": 90.244,
    "l": 83.922
  },
  "oklch": {
    "l": 0.96186,
    "c": 0.09503,
    "h": 115.7
  },
  "luminance": 0.90519
}

Semantic roles & 50–950 ramp

primary

#EFFBB1

secondary

#8371DF

accent

#00E625

background

#FFFFFD

surface

#FEFFF9

border

#D6D7D2

text

#171713

muted

#858582

Preview Lab

Preview with #EFFBB1

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

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