#ECFBB3#ECFBB3

#ECFBB3 is a very light, moderate yellow-green. Relative luminance 0.901; OKLCH L 96.0% C 0.093 H 117.8°. Best body text is #000000 at 19.02:1 contrast (WCAG AA passes).

Color values

HEX	#ECFBB3
RGB	rgb(236, 251, 179)
HSL	hsl(73, 90%, 84%)
HSV	hsv(73, 29%, 98%)
CMYK	cmyk(6%, 0%, 28.7%, 1.6%)
CIE-LAB	lab(96.03, -16.33, 32.96)
CIE-LCH	lch(96.03, 36.78, 116.36°)
OKLab	oklab(96% -0.0435 0.0826)
OKLCH	oklch(96% 0.093 117.8)
XYZ	xyz(77.2255, 90.0823, 55.9584)
Luminance	0.9008 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFBB3 #C2B3FB

analogous

#FBE6B3 #ECFBB3 #C8FBB3

triadic

#ECFBB3 #B3ECFB #FBB3EC

tetradic

#ECFBB3 #B3FBE6 #C2B3FB #FBB3C8

square

#ECFBB3 #B3FBE6 #C2B3FB #FBB3C8

split-complementary

#ECFBB3 #B3C8FB #E6B3FB

monochromatic

#CFF53F #DDF879 #ECFBB3 #F8FDE2 #F8FDE2

Accessibility & contrast

On white

1.10

#ECFBB3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.02

#ECFBB3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFBB3

19.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFBB3	#FFFFFF	#000000	##000000
##ECFBB3	1.00	1.10	19.02	19.02
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.02	21.00	1.00	1.00
##000000	19.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF3AE

Deuteranopia (green-blind)

#FFF4B6

Tritanopia (blue-blind)

#F3F3E8

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #ecfbb3;
/* rgb */ color: rgb(236, 251, 179);
/* oklch */ color: oklch(96.0% 0.093 117.8);

Tailwind

colors: {
  custom: {
    50: '#f2fcca',
    500: '#ecfbb3',
    950: '#000000',
  },
}

SCSS

$custom: #ecfbb3;
$custom-light: #f2fcca;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfbb3",
  "rgb": {
    "r": 236,
    "g": 251,
    "b": 179
  },
  "hsl": {
    "h": 72.5,
    "s": 90,
    "l": 84.314
  },
  "oklch": {
    "l": 0.95999,
    "c": 0.09337,
    "h": 117.8
  },
  "luminance": 0.90082
}

Semantic roles & 50–950 ramp

primary

#ECFBB3

secondary

#8A73DF

accent

#00E630

background

#FFFFFD

surface

#FEFFF9

border

#D6D7D2

text

#171713

muted

#858582

Preview Lab

Preview with #ECFBB3

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

Preview Lab → · Contrast checker → · Palette generator →