#ECF77E#ECF77E

#ECF77E is a very light, vivid yellow. Relative luminance 0.859; OKLCH L 94.3% C 0.146 H 113.5°. Best body text is #000000 at 18.17:1 contrast (WCAG AA passes).

Color values

HEX	#ECF77E
RGB	rgb(236, 247, 126)
HSL	hsl(65, 88%, 73%)
HSV	hsv(65, 49%, 97%)
CMYK	cmyk(4.5%, 0%, 49%, 3.1%)
CIE-LAB	lab(94.25, -20.24, 56.38)
CIE-LCH	lch(94.25, 59.91, 109.75°)
OKLab	oklab(94.34% -0.058 0.1336)
OKLCH	oklch(94.34% 0.146 113.5)
XYZ	xyz(71.6199, 85.8619, 32.5348)
Luminance	0.8586 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF77E #897EF7

analogous

#F7C67E #ECF77E #AFF77E

triadic

#ECF77E #7EECF7 #F77EEC

tetradic

#ECF77E #7EF7C6 #897EF7 #F77EAF

square

#ECF77E #7EF7C6 #897EF7 #F77EAF

split-complementary

#ECF77E #7EAFF7 #C67EF7

monochromatic

#D8EC0F #E4F344 #ECF77E #F4FBB8 #FBFDE2

Accessibility & contrast

On white

1.16

#ECF77E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.17

#ECF77E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF77E

18.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF77E	#FFFFFF	#000000	##000000
##ECF77E	1.00	1.16	18.17	18.17
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.17	21.00	1.00	1.00
##000000	18.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED73

Deuteranopia (green-blind)

#FFF084

Tritanopia (blue-blind)

#F9EBDB

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #ecf77e;
/* rgb */ color: rgb(236, 247, 126);
/* oklch */ color: oklch(94.3% 0.146 113.5);

Tailwind

colors: {
  custom: {
    50: '#f4f9a6',
    500: '#ecf77e',
    950: '#000000',
  },
}

SCSS

$custom: #ecf77e;
$custom-light: #f4f9a6;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf77e",
  "rgb": {
    "r": 236,
    "g": 247,
    "b": 126
  },
  "hsl": {
    "h": 65.455,
    "s": 88.321,
    "l": 73.137
  },
  "oklch": {
    "l": 0.94342,
    "c": 0.1456,
    "h": 113.5
  },
  "luminance": 0.85861
}

Semantic roles & 50–950 ramp

primary

#ECF77E

secondary

#5346D3

accent

#01E515

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#171710

muted

#858580

Preview Lab

Preview with #ECF77E

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

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