#EFFCB9#EFFCB9

#EFFCB9 is a very light, moderate yellow-green. Relative luminance 0.915; OKLCH L 96.5% C 0.087 H 117.0°. Best body text is #000000 at 19.29:1 contrast (WCAG AA passes).

Color values

HEX	#EFFCB9
RGB	rgb(239, 252, 185)
HSL	hsl(72, 92%, 86%)
HSV	hsv(72, 27%, 99%)
CMYK	cmyk(5.2%, 0%, 26.6%, 1.2%)
CIE-LAB	lab(96.61, -14.93, 30.75)
CIE-LCH	lch(96.61, 34.18, 115.90°)
OKLab	oklab(96.54% -0.0394 0.0774)
OKLCH	oklch(96.54% 0.087 117)
XYZ	xyz(79.1635, 91.4747, 59.3755)
Luminance	0.9147 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFCB9 #C6B9FC

analogous

#FCE7B9 #EFFCB9 #CDFCB9

triadic

#EFFCB9 #B9EFFC #FCB9EF

tetradic

#EFFCB9 #B9FCE7 #C6B9FC #FCB9CD

square

#EFFCB9 #B9FCE7 #C6B9FC #FCB9CD

split-complementary

#EFFCB9 #B9CDFC #E7B9FC

monochromatic

#D4F744 #E2F97E #EFFCB9 #F8FEE2 #F8FEE2

Accessibility & contrast

On white

1.09

#EFFCB9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.29

#EFFCB9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFCB9

19.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFCB9	#FFFFFF	#000000	##000000
##EFFCB9	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)

#FFF5B5

Deuteranopia (green-blind)

#FFF6BC

Tritanopia (blue-blind)

#F6F5EA

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #effcb9;
/* rgb */ color: rgb(239, 252, 185);
/* oklch */ color: oklch(96.5% 0.087 117.0);

Tailwind

colors: {
  custom: {
    50: '#f4fdce',
    500: '#effcb9',
    950: '#000000',
  },
}

SCSS

$custom: #effcb9;
$custom-light: #f4fdce;
$custom-dark: #000000;

JSON

{
  "hex": "#effcb9",
  "rgb": {
    "r": 239,
    "g": 252,
    "b": 185
  },
  "hsl": {
    "h": 71.642,
    "s": 91.781,
    "l": 85.686
  },
  "oklch": {
    "l": 0.96543,
    "c": 0.0869,
    "h": 117
  },
  "luminance": 0.91474
}

Semantic roles & 50–950 ramp

primary

#EFFCB9

secondary

#8C78E2

accent

#00E62D

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171713

muted

#858583

Preview Lab

Preview with #EFFCB9

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

Preview Lab → · Contrast checker → · Palette generator →