#ECFC7B#ECFC7B

#ECFC7B is a very light, vivid yellow. Relative luminance 0.889; OKLCH L 95.4% C 0.154 H 115.2°. Best body text is #000000 at 18.78:1 contrast (WCAG AA passes).

Color values

HEX	#ECFC7B
RGB	rgb(236, 252, 123)
HSL	hsl(67, 96%, 74%)
HSV	hsv(67, 51%, 99%)
CMYK	cmyk(6.3%, 0%, 51.2%, 1.2%)
CIE-LAB	lab(95.53, -22.89, 59.26)
CIE-LCH	lch(95.53, 63.53, 111.12°)
OKLab	oklab(95.35% -0.0658 0.1396)
OKLCH	oklch(95.35% 0.154 115.2)
XYZ	xyz(72.9788, 88.8847, 32.0470)
Luminance	0.8888 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFC7B #8B7BFC

analogous

#FCCB7B #ECFC7B #ABFC7B

triadic

#ECFC7B #7BECFC #FC7BEC

tetradic

#ECFC7B #7BFCCB #8B7BFC #FC7BAB

square

#ECFC7B #7BFCCB #8B7BFC #FC7BAB

split-complementary

#ECFC7B #7BABFC #CB7BFC

monochromatic

#D9F706 #E3FB3F #ECFC7B #F5FDB7 #FBFEE1

Accessibility & contrast

On white

1.12

#ECFC7B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.78

#ECFC7B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFC7B

18.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFC7B	#FFFFFF	#000000	##000000
##ECFC7B	1.00	1.12	18.78	18.78
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.78	21.00	1.00	1.00
##000000	18.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF16F

Deuteranopia (green-blind)

#FFF382

Tritanopia (blue-blind)

#F9F0DF

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #ecfc7b;
/* rgb */ color: rgb(236, 252, 123);
/* oklch */ color: oklch(95.4% 0.154 115.2);

Tailwind

colors: {
  custom: {
    50: '#f4fda4',
    500: '#ecfc7b',
    950: '#000000',
  },
}

SCSS

$custom: #ecfc7b;
$custom-light: #f4fda4;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfc7b",
  "rgb": {
    "r": 236,
    "g": 252,
    "b": 123
  },
  "hsl": {
    "h": 67.442,
    "s": 95.556,
    "l": 73.529
  },
  "oklch": {
    "l": 0.95354,
    "c": 0.15428,
    "h": 115.2
  },
  "luminance": 0.88884
}

Semantic roles & 50–950 ramp

primary

#ECFC7B

secondary

#5542D9

accent

#00E61C

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #ECFC7B

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

Preview Lab → · Contrast checker → · Palette generator →