#ECFBB5#ECFBB5

#ECFBB5 is a very light, moderate yellow-green. Relative luminance 0.902; OKLCH L 96.0% C 0.091 H 118.0°. Best body text is #000000 at 19.03:1 contrast (WCAG AA passes).

Color values

HEX	#ECFBB5
RGB	rgb(236, 251, 181)
HSL	hsl(73, 90%, 85%)
HSV	hsv(73, 28%, 98%)
CMYK	cmyk(6%, 0%, 27.9%, 1.6%)
CIE-LAB	lab(96.06, -16.06, 32.00)
CIE-LCH	lch(96.06, 35.80, 116.66°)
OKLab	oklab(96.04% -0.0427 0.0804)
OKLCH	oklch(96.04% 0.091 118)
XYZ	xyz(77.4293, 90.1638, 57.0314)
Luminance	0.9016 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFBB5 #C4B5FB

analogous

#FBE7B5 #ECFBB5 #C9FBB5

triadic

#ECFBB5 #B5ECFB #FBB5EC

tetradic

#ECFBB5 #B5FBE7 #C4B5FB #FBB5C9

square

#ECFBB5 #B5FBE7 #C4B5FB #FBB5C9

split-complementary

#ECFBB5 #B5C9FB #E7B5FB

monochromatic

#CEF541 #DDF87B #ECFBB5 #F8FDE2 #F8FDE2

Accessibility & contrast

On white

1.10

#ECFBB5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.03

#ECFBB5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFBB5

19.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFBB5	#FFFFFF	#000000	##000000
##ECFBB5	1.00	1.10	19.03	19.03
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.03	21.00	1.00	1.00
##000000	19.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF3B0

Deuteranopia (green-blind)

#FFF4B8

Tritanopia (blue-blind)

#F3F3E9

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #ecfbb5;
/* rgb */ color: rgb(236, 251, 181);
/* oklch */ color: oklch(96.0% 0.091 118.0);

Tailwind

colors: {
  custom: {
    50: '#f2fccb',
    500: '#ecfbb5',
    950: '#000000',
  },
}

SCSS

$custom: #ecfbb5;
$custom-light: #f2fccb;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfbb5",
  "rgb": {
    "r": 236,
    "g": 251,
    "b": 181
  },
  "hsl": {
    "h": 72.857,
    "s": 89.744,
    "l": 84.706
  },
  "oklch": {
    "l": 0.96037,
    "c": 0.091,
    "h": 118
  },
  "luminance": 0.90163
}

Semantic roles & 50–950 ramp

primary

#ECFBB5

secondary

#8C75DF

accent

#00E631

background

#FFFFFE

surface

#FEFFFA

border

#D6D7D3

text

#171713

muted

#858583

Preview Lab

Preview with #ECFBB5

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

Preview Lab → · Contrast checker → · Palette generator →