#ECF385#ECF385

#ECF385 is a very light, vivid yellow. Relative luminance 0.836; OKLCH L 93.6% C 0.134 H 111.9°. Best body text is #000000 at 17.73:1 contrast (WCAG AA passes).

Color values

HEX	#ECF385
RGB	rgb(236, 243, 133)
HSL	hsl(64, 82%, 74%)
HSV	hsv(64, 45%, 95%)
CMYK	cmyk(2.9%, 0%, 45.3%, 4.7%)
CIE-LAB	lab(93.29, -17.66, 51.96)
CIE-LCH	lch(93.29, 54.88, 108.77°)
OKLab	oklab(93.6% -0.05 0.1243)
OKLCH	oklch(93.6% 0.134 111.9)
XYZ	xyz(70.8774, 83.6288, 34.5940)
Luminance	0.8363 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF385 #8C85F3

analogous

#F3C385 #ECF385 #B5F385

triadic

#ECF385 #85ECF3 #F385EC

tetradic

#ECF385 #85F3C3 #8C85F3 #F385B5

square

#ECF385 #85F3C3 #8C85F3 #F385B5

split-complementary

#ECF385 #85B5F3 #C385F3

monochromatic

#DAE717 #E3EE4D #ECF385 #F5F8BD #FBFCE3

Accessibility & contrast

On white

1.18

#ECF385 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.73

#ECF385 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF385

17.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF385	#FFFFFF	#000000	##000000
##ECF385	1.00	1.18	17.73	17.73
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.73	21.00	1.00	1.00
##000000	17.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA7C

Deuteranopia (green-blind)

#FFED8A

Tritanopia (blue-blind)

#F8E8D9

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ecf385;
/* rgb */ color: rgb(236, 243, 133);
/* oklch */ color: oklch(93.6% 0.134 111.9);

Tailwind

colors: {
  custom: {
    50: '#f4f7aa',
    500: '#ecf385',
    950: '#000000',
  },
}

SCSS

$custom: #ecf385;
$custom-light: #f4f7aa;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf385",
  "rgb": {
    "r": 236,
    "g": 243,
    "b": 133
  },
  "hsl": {
    "h": 63.818,
    "s": 82.09,
    "l": 73.725
  },
  "oklch": {
    "l": 0.93599,
    "c": 0.13403,
    "h": 111.9
  },
  "luminance": 0.83628
}

Semantic roles & 50–950 ramp

primary

#ECF385

secondary

#554DCF

accent

#07DE15

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #ECF385

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

Preview Lab → · Contrast checker → · Palette generator →