#ECF87F#ECF87F

#ECF87F is a very light, vivid yellow. Relative luminance 0.865; OKLCH L 94.6% C 0.146 H 113.9°. Best body text is #000000 at 18.30:1 contrast (WCAG AA passes).

Color values

HEX	#ECF87F
RGB	rgb(236, 248, 127)
HSL	hsl(66, 90%, 74%)
HSV	hsv(66, 49%, 97%)
CMYK	cmyk(4.8%, 0%, 48.8%, 2.7%)
CIE-LAB	lab(94.53, -20.63, 56.25)
CIE-LCH	lch(94.53, 59.91, 110.14°)
OKLab	oklab(94.56% -0.059 0.1333)
OKLCH	oklch(94.56% 0.146 113.9)
XYZ	xyz(71.9914, 86.5011, 32.9785)
Luminance	0.8650 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF87F #8B7FF8

analogous

#F8C77F #ECF87F #AFF87F

triadic

#ECF87F #7FECF8 #F87FEC

tetradic

#ECF87F #7FF8C7 #8B7FF8 #F87FAF

square

#ECF87F #7FF8C7 #8B7FF8 #F87FAF

split-complementary

#ECF87F #7FAFF8 #C77FF8

monochromatic

#D9F00D #E3F545 #ECF87F #F5FBB9 #FBFDE2

Accessibility & contrast

On white

1.15

#ECF87F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.30

#ECF87F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF87F

18.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF87F	#FFFFFF	#000000	##000000
##ECF87F	1.00	1.15	18.30	18.30
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.30	21.00	1.00	1.00
##000000	18.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE74

Deuteranopia (green-blind)

#FFF185

Tritanopia (blue-blind)

#F9ECDC

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #ecf87f;
/* rgb */ color: rgb(236, 248, 127);
/* oklch */ color: oklch(94.6% 0.146 113.9);

Tailwind

colors: {
  custom: {
    50: '#f4faa7',
    500: '#ecf87f',
    950: '#000000',
  },
}

SCSS

$custom: #ecf87f;
$custom-light: #f4faa7;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf87f",
  "rgb": {
    "r": 236,
    "g": 248,
    "b": 127
  },
  "hsl": {
    "h": 65.95,
    "s": 89.63,
    "l": 73.529
  },
  "oklch": {
    "l": 0.94564,
    "c": 0.14581,
    "h": 113.9
  },
  "luminance": 0.865
}

Semantic roles & 50–950 ramp

primary

#ECF87F

secondary

#5546D5

accent

#00E617

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#171710

muted

#858580

Preview Lab

Preview with #ECF87F

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

Preview Lab → · Contrast checker → · Palette generator →