#ECFA9A#ECFA9A

#ECFA9A is a very light, vivid yellow. Relative luminance 0.885; OKLCH L 95.4% C 0.120 H 115.5°. Best body text is #000000 at 18.71:1 contrast (WCAG AA passes).

Color values

HEX	#ECFA9A
RGB	rgb(236, 250, 154)
HSL	hsl(69, 91%, 79%)
HSV	hsv(69, 38%, 98%)
CMYK	cmyk(5.6%, 0%, 38.4%, 2%)
CIE-LAB	lab(95.39, -18.88, 44.49)
CIE-LCH	lch(95.39, 48.33, 112.99°)
OKLab	oklab(95.36% -0.0519 0.1087)
OKLCH	oklch(95.36% 0.12 115.5)
XYZ	xyz(74.6108, 88.5379, 43.7246)
Luminance	0.8854 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFA9A #A89AFA

analogous

#FAD89A #ECFA9A #BCFA9A

triadic

#ECFA9A #9AECFA #FA9AEC

tetradic

#ECFA9A #9AFAD8 #A89AFA #FA9ABC

square

#ECFA9A #9AFAD8 #A89AFA #FA9ABC

split-complementary

#ECFA9A #9ABCFA #D89AFA

monochromatic

#D6F425 #E1F760 #ECFA9A #F7FDD4 #FAFEE2

Accessibility & contrast

On white

1.12

#ECFA9A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.71

#ECFA9A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFA9A

18.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFA9A	#FFFFFF	#000000	##000000
##ECFA9A	1.00	1.12	18.71	18.71
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.71	21.00	1.00	1.00
##000000	18.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF193

Deuteranopia (green-blind)

#FFF39E

Tritanopia (blue-blind)

#F6F0E2

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #ecfa9a;
/* rgb */ color: rgb(236, 250, 154);
/* oklch */ color: oklch(95.4% 0.120 115.5);

Tailwind

colors: {
  custom: {
    50: '#f3fbb9',
    500: '#ecfa9a',
    950: '#000000',
  },
}

SCSS

$custom: #ecfa9a;
$custom-light: #f3fbb9;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfa9a",
  "rgb": {
    "r": 236,
    "g": 250,
    "b": 154
  },
  "hsl": {
    "h": 68.75,
    "s": 90.566,
    "l": 79.216
  },
  "oklch": {
    "l": 0.95361,
    "c": 0.12049,
    "h": 115.5
  },
  "luminance": 0.88537
}

Semantic roles & 50–950 ramp

primary

#ECFA9A

secondary

#705DDB

accent

#00E621

background

#FFFFFD

surface

#FEFFF8

border

#D6D7D1

text

#171711

muted

#858581

Preview Lab

Preview with #ECFA9A

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

Preview Lab → · Contrast checker → · Palette generator →