#EFFCB3#EFFCB3

#EFFCB3 is a very light, moderate yellow-green. Relative luminance 0.912; OKLCH L 96.4% C 0.094 H 116.4°. Best body text is #000000 at 19.25:1 contrast (WCAG AA passes).

Color values

HEX	#EFFCB3
RGB	rgb(239, 252, 179)
HSL	hsl(71, 92%, 85%)
HSV	hsv(71, 29%, 99%)
CMYK	cmyk(5.2%, 0%, 29%, 1.2%)
CIE-LAB	lab(96.50, -15.73, 33.63)
CIE-LCH	lch(96.50, 37.12, 115.06°)
OKLab	oklab(96.43% -0.0418 0.0842)
OKLCH	oklch(96.43% 0.094 116.4)
XYZ	xyz(78.5434, 91.2267, 56.1099)
Luminance	0.9123 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFCB3 #C0B3FC

analogous

#FCE5B3 #EFFCB3 #CBFCB3

triadic

#EFFCB3 #B3EFFC #FCB3EF

tetradic

#EFFCB3 #B3FCE5 #C0B3FC #FCB3CB

square

#EFFCB3 #B3FCE5 #C0B3FC #FCB3CB

split-complementary

#EFFCB3 #B3CBFC #E5B3FC

monochromatic

#D6F73D #E3FA78 #EFFCB3 #F9FEE2 #F9FEE2

Accessibility & contrast

On white

1.09

#EFFCB3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.25

#EFFCB3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFCB3

19.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFCB3	#FFFFFF	#000000	##000000
##EFFCB3	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)

#FFF5AE

Deuteranopia (green-blind)

#FFF6B6

Tritanopia (blue-blind)

#F7F4E9

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #effcb3;
/* rgb */ color: rgb(239, 252, 179);
/* oklch */ color: oklch(96.4% 0.094 116.4);

Tailwind

colors: {
  custom: {
    50: '#f5fdca',
    500: '#effcb3',
    950: '#000000',
  },
}

SCSS

$custom: #effcb3;
$custom-light: #f5fdca;
$custom-dark: #000000;

JSON

{
  "hex": "#effcb3",
  "rgb": {
    "r": 239,
    "g": 252,
    "b": 179
  },
  "hsl": {
    "h": 70.685,
    "s": 92.405,
    "l": 84.51
  },
  "oklch": {
    "l": 0.96428,
    "c": 0.09402,
    "h": 116.4
  },
  "luminance": 0.91226
}

Semantic roles & 50–950 ramp

primary

#EFFCB3

secondary

#8672E1

accent

#00E629

background

#FFFFFD

surface

#FEFFF9

border

#D6D7D2

text

#171713

muted

#858582

Preview Lab

Preview with #EFFCB3

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

Preview Lab → · Contrast checker → · Palette generator →