#ECFFB9#ECFFB9

#ECFFB9 is a very light, moderate yellow-green. Relative luminance 0.929; OKLCH L 96.9% C 0.092 H 120.5°. Best body text is #000000 at 19.57:1 contrast (WCAG AA passes).

Color values

HEX	#ECFFB9
RGB	rgb(236, 255, 185)
HSL	hsl(76, 100%, 86%)
HSV	hsv(76, 27%, 100%)
CMYK	cmyk(7.5%, 0%, 27.5%, 0%)
CIE-LAB	lab(97.17, -17.47, 31.47)
CIE-LCH	lch(97.17, 36.00, 119.04°)
OKLab	oklab(96.94% -0.0466 0.0792)
OKLCH	oklch(96.94% 0.092 120.5)
XYZ	xyz(79.1083, 92.8558, 59.6449)
Luminance	0.9286 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFFB9 #CCB9FF

analogous

#FFEFB9 #ECFFB9 #C9FFB9

triadic

#ECFFB9 #B9ECFF #FFB9EC

tetradic

#ECFFB9 #B9FFEF #CCB9FF #FFB9C9

square

#ECFFB9 #B9FFEF #CCB9FF #FFB9C9

split-complementary

#ECFFB9 #B9C9FF #EFB9FF

monochromatic

#CBFF3F #DBFF7C #ECFFB9 #F7FFE0 #F7FFE0

Accessibility & contrast

On white

1.07

#ECFFB9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.57

#ECFFB9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFFB9

19.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFFB9	#FFFFFF	#000000	##000000
##ECFFB9	1.00	1.07	19.57	19.57
#FFFFFF	1.07	1.00	21.00	21.00
#000000	19.57	21.00	1.00	1.00
##000000	19.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF7B4

Deuteranopia (green-blind)

#FFF7BC

Tritanopia (blue-blind)

#F2F8EC

Achromatopsia (no color)

#F7F7F7

Design tokens & code

CSS

--color: #ecffb9;
/* rgb */ color: rgb(236, 255, 185);
/* oklch */ color: oklch(96.9% 0.092 120.5);

Tailwind

colors: {
  custom: {
    50: '#f2ffce',
    500: '#ecffb9',
    950: '#000000',
  },
}

SCSS

$custom: #ecffb9;
$custom-light: #f2ffce;
$custom-dark: #000000;

JSON

{
  "hex": "#ecffb9",
  "rgb": {
    "r": 236,
    "g": 255,
    "b": 185
  },
  "hsl": {
    "h": 76.286,
    "s": 100,
    "l": 86.275
  },
  "oklch": {
    "l": 0.96938,
    "c": 0.09188,
    "h": 120.5
  },
  "luminance": 0.92856
}

Semantic roles & 50–950 ramp

primary

#ECFFB9

secondary

#9475E7

accent

#00E63E

background

#FFFFFE

surface

#FEFFFB

border

#D6D7D4

text

#171813

muted

#858683

Preview Lab

Preview with #ECFFB9

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

Preview Lab → · Contrast checker → · Palette generator →