#ECFFBB#ECFFBB

#ECFFBB is a very light, moderate yellow-green. Relative luminance 0.929; OKLCH L 97.0% C 0.090 H 120.8°. Best body text is #000000 at 19.59:1 contrast (WCAG AA passes).

Color values

HEX	#ECFFBB
RGB	rgb(236, 255, 187)
HSL	hsl(77, 100%, 87%)
HSV	hsv(77, 27%, 100%)
CMYK	cmyk(7.5%, 0%, 26.7%, 0%)
CIE-LAB	lab(97.20, -17.20, 30.52)
CIE-LCH	lch(97.20, 35.03, 119.41°)
OKLab	oklab(96.98% -0.0458 0.0769)
OKLCH	oklch(96.98% 0.09 120.8)
XYZ	xyz(79.3209, 92.9408, 60.7647)
Luminance	0.9294 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFFBB #CEBBFF

analogous

#FFF0BB #ECFFBB #CAFFBB

triadic

#ECFFBB #BBECFF #FFBBEC

tetradic

#ECFFBB #BBFFF0 #CEBBFF #FFBBCA

square

#ECFFBB #BBFFF0 #CEBBFF #FFBBCA

split-complementary

#ECFFBB #BBCAFF #F0BBFF

monochromatic

#CAFF41 #DBFF7E #ECFFBB #F6FFE0 #F6FFE0

Accessibility & contrast

On white

1.07

#ECFFBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.59

#ECFFBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFFBB

19.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFFBB	#FFFFFF	#000000	##000000
##ECFFBB	1.00	1.07	19.59	19.59
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.59	21.00	1.00	1.00
##000000	19.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF7B7

Deuteranopia (green-blind)

#FFF7BE

Tritanopia (blue-blind)

#F2F8ED

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #ecffbb;
/* rgb */ color: rgb(236, 255, 187);
/* oklch */ color: oklch(97.0% 0.090 120.8);

Tailwind

colors: {
  custom: {
    50: '#f2ffd0',
    500: '#ecffbb',
    950: '#000000',
  },
}

SCSS

$custom: #ecffbb;
$custom-light: #f2ffd0;
$custom-dark: #000000;

JSON

{
  "hex": "#ecffbb",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 187
  },
  "hsl": {
    "h": 76.765,
    "s": 100,
    "l": 86.667
  },
  "oklch": {
    "l": 0.96977,
    "c": 0.08952,
    "h": 120.8
  },
  "luminance": 0.92941
}

Semantic roles & 50–950 ramp

primary

#ECFFBB

secondary

#9677E7

accent

#00E640

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171814

muted

#858683

Preview Lab

Preview with #ECFFBB

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

Preview Lab → · Contrast checker → · Palette generator →