#ECF98D#ECF98D

#ECF98D is a very light, vivid yellow. Relative luminance 0.875; OKLCH L 95.0% C 0.133 H 114.6°. Best body text is #000000 at 18.50:1 contrast (WCAG AA passes).

Color values

HEX	#ECF98D
RGB	rgb(236, 249, 141)
HSL	hsl(67, 90%, 76%)
HSV	hsv(67, 43%, 98%)
CMYK	cmyk(5.2%, 0%, 43.4%, 2.4%)
CIE-LAB	lab(94.95, -19.78, 50.21)
CIE-LCH	lch(94.95, 53.97, 111.50°)
OKLab	oklab(94.96% -0.0554 0.121)
OKLCH	oklch(94.96% 0.133 114.6)
XYZ	xyz(73.2763, 87.5082, 38.2247)
Luminance	0.8751 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF98D #9A8DF9

analogous

#F9D08D #ECF98D #B6F98D

triadic

#ECF98D #8DECF9 #F98DEC

tetradic

#ECF98D #8DF9D0 #9A8DF9 #F98DB6

square

#ECF98D #8DF9D0 #9A8DF9 #F98DB6

split-complementary

#ECF98D #8DB6F9 #D08DF9

monochromatic

#D9F319 #E2F653 #ECF98D #F6FCC7 #FAFDE2

Accessibility & contrast

On white

1.14

#ECF98D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.50

#ECF98D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF98D

18.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF98D	#FFFFFF	#000000	##000000
##ECF98D	1.00	1.14	18.50	18.50
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.50	21.00	1.00	1.00
##000000	18.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF084

Deuteranopia (green-blind)

#FFF292

Tritanopia (blue-blind)

#F7EEDF

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #ecf98d;
/* rgb */ color: rgb(236, 249, 141);
/* oklch */ color: oklch(95.0% 0.133 114.6);

Tailwind

colors: {
  custom: {
    50: '#f4fbb0',
    500: '#ecf98d',
    950: '#000000',
  },
}

SCSS

$custom: #ecf98d;
$custom-light: #f4fbb0;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf98d",
  "rgb": {
    "r": 236,
    "g": 249,
    "b": 141
  },
  "hsl": {
    "h": 67.222,
    "s": 90,
    "l": 76.471
  },
  "oklch": {
    "l": 0.94959,
    "c": 0.13306,
    "h": 114.6
  },
  "luminance": 0.87507
}

Semantic roles & 50–950 ramp

primary

#ECF98D

secondary

#6252D8

accent

#00E61C

background

#FFFFFD

surface

#FEFFF7

border

#D6D7D0

text

#171711

muted

#858581

Preview Lab

Preview with #ECF98D

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

Preview Lab → · Contrast checker → · Palette generator →