#ECFC8B#ECFC8B

#ECFC8B is a very light, vivid yellow. Relative luminance 0.893; OKLCH L 95.6% C 0.139 H 115.7°. Best body text is #000000 at 18.86:1 contrast (WCAG AA passes).

Color values

HEX	#ECFC8B
RGB	rgb(236, 252, 139)
HSL	hsl(68, 95%, 77%)
HSV	hsv(68, 45%, 99%)
CMYK	cmyk(6.3%, 0%, 44.8%, 1.2%)
CIE-LAB	lab(95.71, -21.42, 52.10)
CIE-LCH	lch(95.71, 56.33, 112.35°)
OKLab	oklab(95.56% -0.0602 0.1251)
OKLCH	oklch(95.56% 0.139 115.7)
XYZ	xyz(74.0635, 89.3186, 37.7596)
Luminance	0.8932 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFC8B #9B8BFC

analogous

#FCD48B #ECFC8B #B4FC8B

triadic

#ECFC8B #8BECFC #FC8BEC

tetradic

#ECFC8B #8BFCD4 #9B8BFC #FC8BB4

square

#ECFC8B #8BFCD4 #9B8BFC #FC8BB4

split-complementary

#ECFC8B #8BB4FC #D48BFC

monochromatic

#D8F914 #E2FA4F #ECFC8B #F6FEC7 #FAFEE1

Accessibility & contrast

On white

1.11

#ECFC8B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.86

#ECFC8B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFC8B

18.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFC8B	#FFFFFF	#000000	##000000
##ECFC8B	1.00	1.11	18.86	18.86
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.86	21.00	1.00	1.00
##000000	18.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF282

Deuteranopia (green-blind)

#FFF491

Tritanopia (blue-blind)

#F7F1E1

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #ecfc8b;
/* rgb */ color: rgb(236, 252, 139);
/* oklch */ color: oklch(95.6% 0.139 115.7);

Tailwind

colors: {
  custom: {
    50: '#f4fdaf',
    500: '#ecfc8b',
    950: '#000000',
  },
}

SCSS

$custom: #ecfc8b;
$custom-light: #f4fdaf;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfc8b",
  "rgb": {
    "r": 236,
    "g": 252,
    "b": 139
  },
  "hsl": {
    "h": 68.496,
    "s": 94.958,
    "l": 76.667
  },
  "oklch": {
    "l": 0.95557,
    "c": 0.13879,
    "h": 115.7
  },
  "luminance": 0.89318
}

Semantic roles & 50–950 ramp

primary

#ECFC8B

secondary

#6350DC

accent

#00E620

background

#FFFFFD

surface

#FEFFF7

border

#D6D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECFC8B

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

Preview Lab → · Contrast checker → · Palette generator →