#ECF053#ECF053

#ECF053 is a very light, vivid yellow. Relative luminance 0.808; OKLCH L 92.4% C 0.173 H 110.8°. Best body text is #000000 at 17.16:1 contrast (WCAG AA passes).

Color values

HEX	#ECF053
RGB	rgb(236, 240, 83)
HSL	hsl(62, 84%, 63%)
HSV	hsv(62, 65%, 94%)
CMYK	cmyk(1.7%, 0%, 65.4%, 5.9%)
CIE-LAB	lab(92.03, -19.98, 72.14)
CIE-LCH	lch(92.03, 74.86, 105.48°)
OKLab	oklab(92.45% -0.0615 0.1622)
OKLCH	oklch(92.45% 0.173 110.8)
XYZ	xyz(67.3156, 80.7793, 20.2279)
Luminance	0.8078 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF053 #5753F0

analogous

#F0A653 #ECF053 #9DF053

triadic

#ECF053 #53ECF0 #F053EC

tetradic

#ECF053 #53F0A6 #5753F0 #F0539D

square

#ECF053 #53F0A6 #5753F0 #F0539D

split-complementary

#ECF053 #539DF0 #A653F0

monochromatic

#B4B910 #E6EB1B #ECF053 #F2F58B #F8FAC4

Accessibility & contrast

On white

1.22

#ECF053 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.16

#ECF053 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF053

17.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF053	#FFFFFF	#000000	##000000
##ECF053	1.00	1.22	17.16	17.16
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.16	21.00	1.00	1.00
##000000	17.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE63C

Deuteranopia (green-blind)

#FFEA5E

Tritanopia (blue-blind)

#FCE2D0

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #ecf053;
/* rgb */ color: rgb(236, 240, 83);
/* oklch */ color: oklch(92.4% 0.173 110.8);

Tailwind

colors: {
  custom: {
    50: '#f6f48b',
    500: '#ecf053',
    950: '#000000',
  },
}

SCSS

$custom: #ecf053;
$custom-light: #f6f48b;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf053",
  "rgb": {
    "r": 236,
    "g": 240,
    "b": 83
  },
  "hsl": {
    "h": 61.529,
    "s": 83.957,
    "l": 63.333
  },
  "oklch": {
    "l": 0.92445,
    "c": 0.17345,
    "h": 110.8
  },
  "luminance": 0.80778
}

Semantic roles & 50–950 ramp

primary

#ECF053

secondary

#3330B8

accent

#05E00B

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #ECF053

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

Preview Lab → · Contrast checker → · Palette generator →