#ECFFB3#ECFFB3

#ECFFB3 is a very light, moderate yellow-green. Relative luminance 0.926; OKLCH L 96.8% C 0.099 H 119.7°. Best body text is #000000 at 19.52:1 contrast (WCAG AA passes).

Color values

HEX	#ECFFB3
RGB	rgb(236, 255, 179)
HSL	hsl(75, 100%, 85%)
HSV	hsv(75, 30%, 100%)
CMYK	cmyk(7.5%, 0%, 29.8%, 0%)
CIE-LAB	lab(97.07, -18.27, 34.34)
CIE-LCH	lch(97.07, 38.90, 118.01°)
OKLab	oklab(96.83% -0.049 0.0859)
OKLCH	oklch(96.83% 0.099 119.7)
XYZ	xyz(78.4883, 92.6077, 56.3793)
Luminance	0.9261 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFFB3 #C6B3FF

analogous

#FFECB3 #ECFFB3 #C6FFB3

triadic

#ECFFB3 #B3ECFF #FFB3EC

tetradic

#ECFFB3 #B3FFEC #C6B3FF #FFB3C6

square

#ECFFB3 #B3FFEC #C6B3FF #FFB3C6

split-complementary

#ECFFB3 #B3C6FF #ECB3FF

monochromatic

#CDFF39 #DDFF76 #ECFFB3 #F7FFE0 #F7FFE0

Accessibility & contrast

On white

1.08

#ECFFB3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.52

#ECFFB3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFFB3

19.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFFB3	#FFFFFF	#000000	##000000
##ECFFB3	1.00	1.08	19.52	19.52
#FFFFFF	1.08	1.00	21.00	21.00
#000000	19.52	21.00	1.00	1.00
##000000	19.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF7AE

Deuteranopia (green-blind)

#FFF7B6

Tritanopia (blue-blind)

#F3F7EB

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #ecffb3;
/* rgb */ color: rgb(236, 255, 179);
/* oklch */ color: oklch(96.8% 0.099 119.7);

Tailwind

colors: {
  custom: {
    50: '#f3ffca',
    500: '#ecffb3',
    950: '#000000',
  },
}

SCSS

$custom: #ecffb3;
$custom-light: #f3ffca;
$custom-dark: #000000;

JSON

{
  "hex": "#ecffb3",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 179
  },
  "hsl": {
    "h": 75,
    "s": 100,
    "l": 85.098
  },
  "oklch": {
    "l": 0.96825,
    "c": 0.0989,
    "h": 119.7
  },
  "luminance": 0.92608
}

Semantic roles & 50–950 ramp

primary

#ECFFB3

secondary

#8E70E6

accent

#00E639

background

#FFFFFD

surface

#FEFFF9

border

#D6D7D2

text

#171813

muted

#858682

Preview Lab

Preview with #ECFFB3

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

Preview Lab → · Contrast checker → · Palette generator →