#ECF680#ECF680

#ECF680 is a very light, vivid yellow. Relative luminance 0.853; OKLCH L 94.2% C 0.142 H 113.1°. Best body text is #000000 at 18.06:1 contrast (WCAG AA passes).

Color values

HEX	#ECF680
RGB	rgb(236, 246, 128)
HSL	hsl(65, 87%, 73%)
HSV	hsv(65, 48%, 96%)
CMYK	cmyk(4.1%, 0%, 48%, 3.5%)
CIE-LAB	lab(94.01, -19.58, 55.17)
CIE-LCH	lch(94.01, 58.55, 109.54°)
OKLab	oklab(94.16% -0.0559 0.1311)
OKLCH	oklch(94.16% 0.143 113.1)
XYZ	xyz(71.4453, 85.3041, 33.1196)
Luminance	0.8530 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF680 #8A80F6

analogous

#F6C580 #ECF680 #B1F680

triadic

#ECF680 #80ECF6 #F680EC

tetradic

#ECF680 #80F6C5 #8A80F6 #F680B1

square

#ECF680 #80F6C5 #8A80F6 #F680B1

split-complementary

#ECF680 #80B1F6 #C580F6

monochromatic

#D8EB11 #E3F247 #ECF680 #F5FAB9 #FBFDE2

Accessibility & contrast

On white

1.16

#ECF680 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.06

#ECF680 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF680

18.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF680	#FFFFFF	#000000	##000000
##ECF680	1.00	1.16	18.06	18.06
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.06	21.00	1.00	1.00
##000000	18.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC75

Deuteranopia (green-blind)

#FFEF86

Tritanopia (blue-blind)

#F9EADB

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #ecf680;
/* rgb */ color: rgb(236, 246, 128);
/* oklch */ color: oklch(94.2% 0.142 113.1);

Tailwind

colors: {
  custom: {
    50: '#f4f9a7',
    500: '#ecf680',
    950: '#000000',
  },
}

SCSS

$custom: #ecf680;
$custom-light: #f4f9a7;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf680",
  "rgb": {
    "r": 236,
    "g": 246,
    "b": 128
  },
  "hsl": {
    "h": 65.085,
    "s": 86.765,
    "l": 73.333
  },
  "oklch": {
    "l": 0.94158,
    "c": 0.1425,
    "h": 113.1
  },
  "luminance": 0.85303
}

Semantic roles & 50–950 ramp

primary

#ECF680

secondary

#5448D2

accent

#02E315

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECF680

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

Preview Lab → · Contrast checker → · Palette generator →