#ECFD9B#ECFD9B

#ECFD9B is a very light, vivid yellow-green. Relative luminance 0.904; OKLCH L 96.0% C 0.123 H 116.8°. Best body text is #000000 at 19.09:1 contrast (WCAG AA passes).

Color values

HEX	#ECFD9B
RGB	rgb(236, 253, 155)
HSL	hsl(70, 96%, 80%)
HSV	hsv(70, 39%, 99%)
CMYK	cmyk(6.7%, 0%, 38.7%, 0.8%)
CIE-LAB	lab(96.18, -20.21, 45.02)
CIE-LCH	lch(96.18, 49.35, 114.18°)
OKLab	oklab(96% -0.0556 0.11)
OKLCH	oklch(96% 0.123 116.8)
XYZ	xyz(75.6341, 90.4506, 44.4783)
Luminance	0.9045 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFD9B #AC9BFD

analogous

#FDDD9B #ECFD9B #BBFD9B

triadic

#ECFD9B #9BECFD #FD9BEC

tetradic

#ECFD9B #9BFDDD #AC9BFD #FD9BBB

square

#ECFD9B #9BFDDD #AC9BFD #FD9BBB

split-complementary

#ECFD9B #9BBBFD #DD9BFD

monochromatic

#D5FB23 #E1FC5F #ECFD9B #F7FED7 #F9FEE1

Accessibility & contrast

On white

1.10

#ECFD9B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.09

#ECFD9B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFD9B

19.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFD9B	#FFFFFF	#000000	##000000
##ECFD9B	1.00	1.10	19.09	19.09
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.09	21.00	1.00	1.00
##000000	19.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF494

Deuteranopia (green-blind)

#FFF5A0

Tritanopia (blue-blind)

#F6F3E5

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #ecfd9b;
/* rgb */ color: rgb(236, 253, 155);
/* oklch */ color: oklch(96.0% 0.123 116.8);

Tailwind

colors: {
  custom: {
    50: '#f3feba',
    500: '#ecfd9b',
    950: '#000000',
  },
}

SCSS

$custom: #ecfd9b;
$custom-light: #f3feba;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfd9b",
  "rgb": {
    "r": 236,
    "g": 253,
    "b": 155
  },
  "hsl": {
    "h": 70.408,
    "s": 96.078,
    "l": 80
  },
  "oklch": {
    "l": 0.96,
    "c": 0.12326,
    "h": 116.8
  },
  "luminance": 0.9045
}

Semantic roles & 50–950 ramp

primary

#ECFD9B

secondary

#745DDF

accent

#00E628

background

#FFFFFD

surface

#FEFFF8

border

#D6D7D1

text

#171712

muted

#858582

Preview Lab

Preview with #ECFD9B

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

Preview Lab → · Contrast checker → · Palette generator →