#ECFD7B#ECFD7B

#ECFD7B is a very light, vivid yellow. Relative luminance 0.895; OKLCH L 95.6% C 0.155 H 115.6°. Best body text is #000000 at 18.90:1 contrast (WCAG AA passes).

Color values

HEX	#ECFD7B
RGB	rgb(236, 253, 123)
HSL	hsl(68, 97%, 74%)
HSV	hsv(68, 51%, 99%)
CMYK	cmyk(6.7%, 0%, 51.4%, 0.8%)
CIE-LAB	lab(95.80, -23.37, 59.57)
CIE-LCH	lch(95.80, 63.99, 111.42°)
OKLab	oklab(95.56% -0.0671 0.1402)
OKLCH	oklch(95.56% 0.155 115.6)
XYZ	xyz(73.2936, 89.5144, 32.1520)
Luminance	0.8951 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFD7B #8C7BFD

analogous

#FDCD7B #ECFD7B #ABFD7B

triadic

#ECFD7B #7BECFD #FD7BEC

tetradic

#ECFD7B #7BFDCD #8C7BFD #FD7BAB

square

#ECFD7B #7BFDCD #8C7BFD #FD7BAB

split-complementary

#ECFD7B #7BABFD #CD7BFD

monochromatic

#DAFA04 #E3FC3F #ECFD7B #F5FEB7 #FBFFE1

Accessibility & contrast

On white

1.11

#ECFD7B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.90

#ECFD7B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFD7B

18.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFD7B	#FFFFFF	#000000	##000000
##ECFD7B	1.00	1.11	18.90	18.90
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.90	21.00	1.00	1.00
##000000	18.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF26F

Deuteranopia (green-blind)

#FFF482

Tritanopia (blue-blind)

#F8F1E0

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #ecfd7b;
/* rgb */ color: rgb(236, 253, 123);
/* oklch */ color: oklch(95.6% 0.155 115.6);

Tailwind

colors: {
  custom: {
    50: '#f4fea4',
    500: '#ecfd7b',
    950: '#000000',
  },
}

SCSS

$custom: #ecfd7b;
$custom-light: #f4fea4;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfd7b",
  "rgb": {
    "r": 236,
    "g": 253,
    "b": 123
  },
  "hsl": {
    "h": 67.846,
    "s": 97.015,
    "l": 73.725
  },
  "oklch": {
    "l": 0.95564,
    "c": 0.15547,
    "h": 115.6
  },
  "luminance": 0.89513
}

Semantic roles & 50–950 ramp

primary

#ECFD7B

secondary

#5541DB

accent

#00E61E

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #ECFD7B

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

Preview Lab → · Contrast checker → · Palette generator →