#ECF86B#ECF86B

#ECF86B is a very light, vivid yellow. Relative luminance 0.860; OKLCH L 94.3% C 0.164 H 113.6°. Best body text is #000000 at 18.21:1 contrast (WCAG AA passes).

Color values

HEX	#ECF86B
RGB	rgb(236, 248, 107)
HSL	hsl(65, 91%, 70%)
HSV	hsv(65, 57%, 97%)
CMYK	cmyk(4.8%, 0%, 56.9%, 2.7%)
CIE-LAB	lab(94.33, -22.26, 64.90)
CIE-LCH	lch(94.33, 68.62, 108.93°)
OKLab	oklab(94.34% -0.0656 0.1501)
OKLCH	oklch(94.34% 0.164 113.6)
XYZ	xyz(70.8149, 86.0305, 26.7822)
Luminance	0.8603 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF86B #776BF8

analogous

#F8BD6B #ECF86B #A6F86B

triadic

#ECF86B #6BECF8 #F86BEC

tetradic

#ECF86B #6BF8BD #776BF8 #F86BA6

square

#ECF86B #6BF8BD #776BF8 #F86BA6

split-complementary

#ECF86B #6BA6F8 #BD6BF8

monochromatic

#CCDE0B #E4F531 #ECF86B #F4FBA5 #FBFEE0

Accessibility & contrast

On white

1.15

#ECF86B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.21

#ECF86B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF86B

18.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF86B	#FFFFFF	#000000	##000000
##ECF86B	1.00	1.15	18.21	18.21
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.21	21.00	1.00	1.00
##000000	18.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED5C

Deuteranopia (green-blind)

#FFF073

Tritanopia (blue-blind)

#FAEBDA

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #ecf86b;
/* rgb */ color: rgb(236, 248, 107);
/* oklch */ color: oklch(94.3% 0.164 113.6);

Tailwind

colors: {
  custom: {
    50: '#f5fa9a',
    500: '#ecf86b',
    950: '#000000',
  },
}

SCSS

$custom: #ecf86b;
$custom-light: #f5fa9a;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf86b",
  "rgb": {
    "r": 236,
    "g": 248,
    "b": 107
  },
  "hsl": {
    "h": 65.106,
    "s": 90.968,
    "l": 69.608
  },
  "oklch": {
    "l": 0.94338,
    "c": 0.16376,
    "h": 113.6
  },
  "luminance": 0.86029
}

Semantic roles & 50–950 ramp

primary

#ECF86B

secondary

#4235D2

accent

#00E614

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF86B

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

Preview Lab → · Contrast checker → · Palette generator →