#EFFBBB#EFFBBB

#EFFBBB is a very light, moderate yellow-green. Relative luminance 0.909; OKLCH L 96.4% C 0.083 H 116.6°. Best body text is #000000 at 19.19:1 contrast (WCAG AA passes).

Color values

HEX	#EFFBBB
RGB	rgb(239, 251, 187)
HSL	hsl(71, 89%, 86%)
HSV	hsv(71, 25%, 98%)
CMYK	cmyk(4.8%, 0%, 25.5%, 1.6%)
CIE-LAB	lab(96.38, -14.17, 29.44)
CIE-LCH	lch(96.38, 32.67, 115.71°)
OKLab	oklab(96.38% -0.0372 0.0743)
OKLCH	oklch(96.38% 0.083 116.6)
XYZ	xyz(79.0629, 90.9334, 60.3909)
Luminance	0.9093 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFBBB #C7BBFB

analogous

#FBE7BB #EFFBBB #CFFBBB

triadic

#EFFBBB #BBEFFB #FBBBEF

tetradic

#EFFBBB #BBFBE7 #C7BBFB #FBBBCF

square

#EFFBBB #BBFBE7 #C7BBFB #FBBBCF

split-complementary

#EFFBBB #BBCFFB #E7BBFB

monochromatic

#D4F447 #E1F881 #EFFBBB #F8FDE2 #F8FDE2

Accessibility & contrast

On white

1.09

#EFFBBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.19

#EFFBBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFBBB

19.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFBBB	#FFFFFF	#000000	##000000
##EFFBBB	1.00	1.09	19.19	19.19
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.19	21.00	1.00	1.00
##000000	19.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF4B7

Deuteranopia (green-blind)

#FFF5BE

Tritanopia (blue-blind)

#F6F4EA

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #effbbb;
/* rgb */ color: rgb(239, 251, 187);
/* oklch */ color: oklch(96.4% 0.083 116.6);

Tailwind

colors: {
  custom: {
    50: '#f4fccf',
    500: '#effbbb',
    950: '#000000',
  },
}

SCSS

$custom: #effbbb;
$custom-light: #f4fccf;
$custom-dark: #000000;

JSON

{
  "hex": "#effbbb",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 187
  },
  "hsl": {
    "h": 71.25,
    "s": 88.889,
    "l": 85.882
  },
  "oklch": {
    "l": 0.96377,
    "c": 0.08313,
    "h": 116.6
  },
  "luminance": 0.90933
}

Semantic roles & 50–950 ramp

primary

#EFFBBB

secondary

#8D7AE0

accent

#00E62B

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171714

muted

#858583

Preview Lab

Preview with #EFFBBB

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

Preview Lab → · Contrast checker → · Palette generator →