#ECF899#ECF899

#ECF899 is a very light, moderate yellow. Relative luminance 0.873; OKLCH L 94.9% C 0.119 H 114.6°. Best body text is #000000 at 18.45:1 contrast (WCAG AA passes).

Color values

HEX	#ECF899
RGB	rgb(236, 248, 153)
HSL	hsl(68, 87%, 79%)
HSV	hsv(68, 38%, 97%)
CMYK	cmyk(4.8%, 0%, 38.3%, 2.7%)
CIE-LAB	lab(94.85, -18.02, 44.30)
CIE-LCH	lch(94.85, 47.82, 112.14°)
OKLab	oklab(94.93% -0.0495 0.1083)
OKLCH	oklch(94.93% 0.119 114.6)
XYZ	xyz(73.9097, 87.2684, 43.0817)
Luminance	0.8727 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF899 #A599F8

analogous

#F8D499 #ECF899 #BCF899

triadic

#ECF899 #99ECF8 #F899EC

tetradic

#ECF899 #99F8D4 #A599F8 #F899BC

square

#ECF899 #99F8D4 #A599F8 #F899BC

split-complementary

#ECF899 #99BCF8 #D499F8

monochromatic

#D7F026 #E1F460 #ECF899 #F7FCD2 #FAFDE2

Accessibility & contrast

On white

1.14

#ECF899 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.45

#ECF899 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF899

18.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF899	#FFFFFF	#000000	##000000
##ECF899	1.00	1.14	18.45	18.45
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.45	21.00	1.00	1.00
##000000	18.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF92

Deuteranopia (green-blind)

#FFF19D

Tritanopia (blue-blind)

#F6EEE1

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #ecf899;
/* rgb */ color: rgb(236, 248, 153);
/* oklch */ color: oklch(94.9% 0.119 114.6);

Tailwind

colors: {
  custom: {
    50: '#f3fab8',
    500: '#ecf899',
    950: '#000000',
  },
}

SCSS

$custom: #ecf899;
$custom-light: #f3fab8;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf899",
  "rgb": {
    "r": 236,
    "g": 248,
    "b": 153
  },
  "hsl": {
    "h": 67.579,
    "s": 87.156,
    "l": 78.627
  },
  "oklch": {
    "l": 0.94929,
    "c": 0.11904,
    "h": 114.6
  },
  "luminance": 0.87268
}

Semantic roles & 50–950 ramp

primary

#ECF899

secondary

#6D5DD8

accent

#02E41E

background

#FFFFFD

surface

#FEFFF8

border

#D6D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #ECF899

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

Preview Lab → · Contrast checker → · Palette generator →