#EFFCB8#EFFCB8

#EFFCB8 is a very light, moderate yellow-green. Relative luminance 0.914; OKLCH L 96.5% C 0.088 H 116.9°. Best body text is #000000 at 19.29:1 contrast (WCAG AA passes).

Color values

HEX	#EFFCB8
RGB	rgb(239, 252, 184)
HSL	hsl(71, 92%, 85%)
HSV	hsv(71, 27%, 99%)
CMYK	cmyk(5.2%, 0%, 27%, 1.2%)
CIE-LAB	lab(96.59, -15.07, 31.23)
CIE-LCH	lch(96.59, 34.67, 115.76°)
OKLab	oklab(96.52% -0.0398 0.0786)
OKLCH	oklch(96.52% 0.088 116.9)
XYZ	xyz(79.0583, 91.4327, 58.8215)
Luminance	0.9143 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFCB8 #C5B8FC

analogous

#FCE7B8 #EFFCB8 #CDFCB8

triadic

#EFFCB8 #B8EFFC #FCB8EF

tetradic

#EFFCB8 #B8FCE7 #C5B8FC #FCB8CD

square

#EFFCB8 #B8FCE7 #C5B8FC #FCB8CD

split-complementary

#EFFCB8 #B8CDFC #E7B8FC

monochromatic

#D5F743 #E2FA7D #EFFCB8 #F8FEE2 #F8FEE2

Accessibility & contrast

On white

1.09

#EFFCB8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.29

#EFFCB8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFCB8

19.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFCB8	#FFFFFF	#000000	##000000
##EFFCB8	1.00	1.09	19.29	19.29
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.29	21.00	1.00	1.00
##000000	19.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF5B4

Deuteranopia (green-blind)

#FFF6BB

Tritanopia (blue-blind)

#F6F5EA

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #effcb8;
/* rgb */ color: rgb(239, 252, 184);
/* oklch */ color: oklch(96.5% 0.088 116.9);

Tailwind

colors: {
  custom: {
    50: '#f5fdcd',
    500: '#effcb8',
    950: '#000000',
  },
}

SCSS

$custom: #effcb8;
$custom-light: #f5fdcd;
$custom-dark: #000000;

JSON

{
  "hex": "#effcb8",
  "rgb": {
    "r": 239,
    "g": 252,
    "b": 184
  },
  "hsl": {
    "h": 71.471,
    "s": 91.892,
    "l": 85.49
  },
  "oklch": {
    "l": 0.96523,
    "c": 0.0881,
    "h": 116.9
  },
  "luminance": 0.91432
}

Semantic roles & 50–950 ramp

primary

#EFFCB8

secondary

#8B77E1

accent

#00E62C

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171713

muted

#858583

Preview Lab

Preview with #EFFCB8

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

Preview Lab → · Contrast checker → · Palette generator →