#EFFCB4#EFFCB4

#EFFCB4 is a very light, moderate yellow-green. Relative luminance 0.913; OKLCH L 96.4% C 0.093 H 116.5°. Best body text is #000000 at 19.25:1 contrast (WCAG AA passes).

Color values

HEX	#EFFCB4
RGB	rgb(239, 252, 180)
HSL	hsl(71, 92%, 85%)
HSV	hsv(71, 29%, 99%)
CMYK	cmyk(5.2%, 0%, 28.6%, 1.2%)
CIE-LAB	lab(96.52, -15.60, 33.15)
CIE-LCH	lch(96.52, 36.63, 115.20°)
OKLab	oklab(96.45% -0.0414 0.0831)
OKLCH	oklch(96.45% 0.093 116.5)
XYZ	xyz(78.6449, 91.2673, 56.6444)
Luminance	0.9127 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFCB4 #C1B4FC

analogous

#FCE5B4 #EFFCB4 #CBFCB4

triadic

#EFFCB4 #B4EFFC #FCB4EF

tetradic

#EFFCB4 #B4FCE5 #C1B4FC #FCB4CB

square

#EFFCB4 #B4FCE5 #C1B4FC #FCB4CB

split-complementary

#EFFCB4 #B4CBFC #E5B4FC

monochromatic

#D6F73E #E2FA79 #EFFCB4 #F9FEE2 #F9FEE2

Accessibility & contrast

On white

1.09

#EFFCB4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.25

#EFFCB4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFCB4

19.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFCB4	#FFFFFF	#000000	##000000
##EFFCB4	1.00	1.09	19.25	19.25
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.25	21.00	1.00	1.00
##000000	19.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF5AF

Deuteranopia (green-blind)

#FFF6B7

Tritanopia (blue-blind)

#F7F4E9

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #effcb4;
/* rgb */ color: rgb(239, 252, 180);
/* oklch */ color: oklch(96.4% 0.093 116.5);

Tailwind

colors: {
  custom: {
    50: '#f5fdcb',
    500: '#effcb4',
    950: '#000000',
  },
}

SCSS

$custom: #effcb4;
$custom-light: #f5fdcb;
$custom-dark: #000000;

JSON

{
  "hex": "#effcb4",
  "rgb": {
    "r": 239,
    "g": 252,
    "b": 180
  },
  "hsl": {
    "h": 70.833,
    "s": 92.308,
    "l": 84.706
  },
  "oklch": {
    "l": 0.96447,
    "c": 0.09284,
    "h": 116.5
  },
  "luminance": 0.91267
}

Semantic roles & 50–950 ramp

primary

#EFFCB4

secondary

#8773E1

accent

#00E629

background

#FFFFFE

surface

#FEFFFA

border

#D6D7D3

text

#171713

muted

#858583

Preview Lab

Preview with #EFFCB4

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

Preview Lab → · Contrast checker → · Palette generator →