#ECF87C#ECF87C

#ECF87C is a very light, vivid yellow. Relative luminance 0.864; OKLCH L 94.5% C 0.149 H 113.8°. Best body text is #000000 at 18.28:1 contrast (WCAG AA passes).

Color values

HEX	#ECF87C
RGB	rgb(236, 248, 124)
HSL	hsl(66, 90%, 73%)
HSV	hsv(66, 50%, 97%)
CMYK	cmyk(4.8%, 0%, 50%, 2.7%)
CIE-LAB	lab(94.49, -20.90, 57.58)
CIE-LCH	lch(94.49, 61.26, 109.94°)
OKLab	oklab(94.53% -0.06 0.136)
OKLCH	oklch(94.53% 0.149 113.8)
XYZ	xyz(71.7988, 86.4240, 31.9641)
Luminance	0.8642 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF87C #887CF8

analogous

#F8C67C #ECF87C #AEF87C

triadic

#ECF87C #7CECF8 #F87CEC

tetradic

#ECF87C #7CF8C6 #887CF8 #F87CAE

square

#ECF87C #7CF8C6 #887CF8 #F87CAE

split-complementary

#ECF87C #7CAEF8 #C67CF8

monochromatic

#D7ED0D #E4F542 #ECF87C #F4FBB6 #FBFDE2

Accessibility & contrast

On white

1.15

#ECF87C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.28

#ECF87C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF87C

18.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF87C	#FFFFFF	#000000	##000000
##ECF87C	1.00	1.15	18.28	18.28
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.28	21.00	1.00	1.00
##000000	18.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE71

Deuteranopia (green-blind)

#FFF183

Tritanopia (blue-blind)

#F9ECDC

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #ecf87c;
/* rgb */ color: rgb(236, 248, 124);
/* oklch */ color: oklch(94.5% 0.149 113.8);

Tailwind

colors: {
  custom: {
    50: '#f4faa5',
    500: '#ecf87c',
    950: '#000000',
  },
}

SCSS

$custom: #ecf87c;
$custom-light: #f4faa5;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf87c",
  "rgb": {
    "r": 236,
    "g": 248,
    "b": 124
  },
  "hsl": {
    "h": 65.806,
    "s": 89.855,
    "l": 72.941
  },
  "oklch": {
    "l": 0.94527,
    "c": 0.14867,
    "h": 113.8
  },
  "luminance": 0.86423
}

Semantic roles & 50–950 ramp

primary

#ECF87C

secondary

#5244D4

accent

#00E616

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF87C

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

Preview Lab → · Contrast checker → · Palette generator →