#ECF787#ECF787

#ECF787 is a very light, vivid yellow. Relative luminance 0.861; OKLCH L 94.5% C 0.137 H 113.6°. Best body text is #000000 at 18.22:1 contrast (WCAG AA passes).

Color values

HEX	#ECF787
RGB	rgb(236, 247, 135)
HSL	hsl(66, 88%, 75%)
HSV	hsv(66, 45%, 97%)
CMYK	cmyk(4.5%, 0%, 45.3%, 3.1%)
CIE-LAB	lab(94.36, -19.41, 52.32)
CIE-LCH	lch(94.36, 55.80, 110.35°)
OKLab	oklab(94.46% -0.0548 0.1253)
OKLCH	oklch(94.46% 0.137 113.6)
XYZ	xyz(72.2270, 86.1047, 35.7320)
Luminance	0.8610 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF787 #9287F7

analogous

#F7CA87 #ECF787 #B4F787

triadic

#ECF787 #87ECF7 #F787EC

tetradic

#ECF787 #87F7CA #9287F7 #F787B4

square

#ECF787 #87F7CA #9287F7 #F787B4

split-complementary

#ECF787 #87B4F7 #CA87F7

monochromatic

#DAEF14 #E3F34E #ECF787 #F5FBC0 #FAFDE2

Accessibility & contrast

On white

1.15

#ECF787 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.22

#ECF787 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF787

18.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF787	#FFFFFF	#000000	##000000
##ECF787	1.00	1.15	18.22	18.22
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.22	21.00	1.00	1.00
##000000	18.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE7E

Deuteranopia (green-blind)

#FFF08D

Tritanopia (blue-blind)

#F8ECDD

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #ecf787;
/* rgb */ color: rgb(236, 247, 135);
/* oklch */ color: oklch(94.5% 0.137 113.6);

Tailwind

colors: {
  custom: {
    50: '#f4f9ac',
    500: '#ecf787',
    950: '#000000',
  },
}

SCSS

$custom: #ecf787;
$custom-light: #f4f9ac;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf787",
  "rgb": {
    "r": 236,
    "g": 247,
    "b": 135
  },
  "hsl": {
    "h": 65.893,
    "s": 87.5,
    "l": 74.902
  },
  "oklch": {
    "l": 0.94459,
    "c": 0.13675,
    "h": 113.6
  },
  "luminance": 0.86104
}

Semantic roles & 50–950 ramp

primary

#ECF787

secondary

#5B4ED4

accent

#01E418

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECF787

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

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