#ECFC89#ECFC89

#ECFC89 is a very light, vivid yellow. Relative luminance 0.893; OKLCH L 95.5% C 0.141 H 115.6°. Best body text is #000000 at 18.85:1 contrast (WCAG AA passes).

Color values

HEX	#ECFC89
RGB	rgb(236, 252, 137)
HSL	hsl(68, 95%, 76%)
HSV	hsv(68, 46%, 99%)
CMYK	cmyk(6.3%, 0%, 45.6%, 1.2%)
CIE-LAB	lab(95.69, -21.61, 53.01)
CIE-LCH	lch(95.69, 57.24, 112.18°)
OKLab	oklab(95.53% -0.0609 0.1269)
OKLCH	oklch(95.53% 0.141 115.6)
XYZ	xyz(73.9187, 89.2607, 36.9971)
Luminance	0.8926 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFC89 #9989FC

analogous

#FCD389 #ECFC89 #B3FC89

triadic

#ECFC89 #89ECFC #FC89EC

tetradic

#ECFC89 #89FCD3 #9989FC #FC89B3

square

#ECFC89 #89FCD3 #9989FC #FC89B3

split-complementary

#ECFC89 #89B3FC #D389FC

monochromatic

#D9F912 #E2FA4D #ECFC89 #F6FEC5 #FAFEE1

Accessibility & contrast

On white

1.11

#ECFC89 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.85

#ECFC89 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFC89

18.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFC89	#FFFFFF	#000000	##000000
##ECFC89	1.00	1.11	18.85	18.85
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.85	21.00	1.00	1.00
##000000	18.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF27F

Deuteranopia (green-blind)

#FFF48F

Tritanopia (blue-blind)

#F7F1E1

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #ecfc89;
/* rgb */ color: rgb(236, 252, 137);
/* oklch */ color: oklch(95.5% 0.141 115.6);

Tailwind

colors: {
  custom: {
    50: '#f4fdad',
    500: '#ecfc89',
    950: '#000000',
  },
}

SCSS

$custom: #ecfc89;
$custom-light: #f4fdad;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfc89",
  "rgb": {
    "r": 236,
    "g": 252,
    "b": 137
  },
  "hsl": {
    "h": 68.348,
    "s": 95.041,
    "l": 76.275
  },
  "oklch": {
    "l": 0.9553,
    "c": 0.14081,
    "h": 115.6
  },
  "luminance": 0.8926
}

Semantic roles & 50–950 ramp

primary

#ECFC89

secondary

#624EDB

accent

#00E620

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECFC89

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

Preview Lab → · Contrast checker → · Palette generator →