#ECFC68#ECFC68

#ECFC68 is a very light, vivid yellow. Relative luminance 0.885; OKLCH L 95.2% C 0.171 H 114.9°. Best body text is #000000 at 18.69:1 contrast (WCAG AA passes).

Color values

HEX	#ECFC68
RGB	rgb(236, 252, 104)
HSL	hsl(66, 96%, 70%)
HSV	hsv(66, 59%, 99%)
CMYK	cmyk(6.3%, 0%, 58.7%, 1.2%)
CIE-LAB	lab(95.35, -24.38, 67.31)
CIE-LCH	lch(95.35, 71.58, 109.91°)
OKLab	oklab(95.15% -0.0718 0.1548)
OKLCH	oklch(95.15% 0.171 114.9)
XYZ	xyz(71.9027, 88.4543, 26.3796)
Luminance	0.8845 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECFC68 #7868FC

analogous

#FCC268 #ECFC68 #A2FC68

triadic

#ECFC68 #68ECFC #FC68EC

tetradic

#ECFC68 #68FCC2 #7868FC #FC68A2

square

#ECFC68 #68FCC2 #7868FC #FC68A2

split-complementary

#ECFC68 #68A2FC #C268FC

monochromatic

#CDE505 #E4FB2C #ECFC68 #F4FDA4 #FBFEE0

Accessibility & contrast

On white

1.12

#ECFC68 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.69

#ECFC68 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECFC68

18.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECFC68	#FFFFFF	#000000	##000000
##ECFC68	1.00	1.12	18.69	18.69
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.69	21.00	1.00	1.00
##000000	18.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF057

Deuteranopia (green-blind)

#FFF371

Tritanopia (blue-blind)

#FAEFDC

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #ecfc68;
/* rgb */ color: rgb(236, 252, 104);
/* oklch */ color: oklch(95.2% 0.171 114.9);

Tailwind

colors: {
  custom: {
    50: '#f5fd98',
    500: '#ecfc68',
    950: '#000000',
  },
}

SCSS

$custom: #ecfc68;
$custom-light: #f5fd98;
$custom-dark: #000000;

JSON

{
  "hex": "#ecfc68",
  "rgb": {
    "r": 236,
    "g": 252,
    "b": 104
  },
  "hsl": {
    "h": 66.486,
    "s": 96.104,
    "l": 69.804
  },
  "oklch": {
    "l": 0.95151,
    "c": 0.17067,
    "h": 114.9
  },
  "luminance": 0.88453
}

Semantic roles & 50–950 ramp

primary

#ECFC68

secondary

#4331D7

accent

#00E619

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECFC68

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

Preview Lab → · Contrast checker → · Palette generator →