#ECF056#ECF056

#ECF056 is a very light, vivid yellow. Relative luminance 0.808; OKLCH L 92.5% C 0.171 H 110.8°. Best body text is #000000 at 17.17:1 contrast (WCAG AA passes).

Color values

HEX	#ECF056
RGB	rgb(236, 240, 86)
HSL	hsl(62, 84%, 64%)
HSV	hsv(62, 64%, 94%)
CMYK	cmyk(1.7%, 0%, 64.2%, 5.9%)
CIE-LAB	lab(92.05, -19.80, 71.02)
CIE-LCH	lch(92.05, 73.73, 105.58°)
OKLab	oklab(92.47% -0.0607 0.1603)
OKLCH	oklch(92.47% 0.171 110.8)
XYZ	xyz(67.4339, 80.8266, 20.8512)
Luminance	0.8083 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF056 #5A56F0

analogous

#F0A756 #ECF056 #9FF056

triadic

#ECF056 #56ECF0 #F056EC

tetradic

#ECF056 #56F0A7 #5A56F0 #F0569F

square

#ECF056 #56F0A7 #5A56F0 #F0569F

split-complementary

#ECF056 #569FF0 #A756F0

monochromatic

#B7BB11 #E6EB1E #ECF056 #F2F58E #F9FAC6

Accessibility & contrast

On white

1.22

#ECF056 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.17

#ECF056 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF056

17.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF056	#FFFFFF	#000000	##000000
##ECF056	1.00	1.22	17.17	17.17
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.17	21.00	1.00	1.00
##000000	17.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE641

Deuteranopia (green-blind)

#FFEA60

Tritanopia (blue-blind)

#FCE2D1

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #ecf056;
/* rgb */ color: rgb(236, 240, 86);
/* oklch */ color: oklch(92.5% 0.171 110.8);

Tailwind

colors: {
  custom: {
    50: '#f5f48d',
    500: '#ecf056',
    950: '#000000',
  },
}

SCSS

$custom: #ecf056;
$custom-light: #f5f48d;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf056",
  "rgb": {
    "r": 236,
    "g": 240,
    "b": 86
  },
  "hsl": {
    "h": 61.558,
    "s": 83.696,
    "l": 63.922
  },
  "oklch": {
    "l": 0.92468,
    "c": 0.17138,
    "h": 110.8
  },
  "luminance": 0.80825
}

Semantic roles & 50–950 ramp

primary

#ECF056

secondary

#3430BA

accent

#05E00B

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #ECF056

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

Preview Lab → · Contrast checker → · Palette generator →