#ECF07B#ECF07B

#ECF07B is a very light, vivid yellow. Relative luminance 0.816; OKLCH L 92.8% C 0.140 H 110.6°. Best body text is #000000 at 17.32:1 contrast (WCAG AA passes).

Color values

HEX	#ECF07B
RGB	rgb(236, 240, 123)
HSL	hsl(62, 80%, 71%)
HSV	hsv(62, 49%, 94%)
CMYK	cmyk(1.7%, 0%, 48.7%, 5.9%)
CIE-LAB	lab(92.39, -17.12, 55.55)
CIE-LCH	lch(92.39, 58.13, 107.13°)
OKLab	oklab(92.85% -0.0494 0.1315)
OKLCH	oklch(92.85% 0.14 110.6)
XYZ	xyz(69.3287, 81.5846, 30.8303)
Luminance	0.8158 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF07B #7F7BF0

analogous

#F0B97B #ECF07B #B1F07B

triadic

#ECF07B #7BECF0 #F07BEC

tetradic

#ECF07B #7BF0B9 #7F7BF0 #F07BB1

square

#ECF07B #7BF0B9 #7F7BF0 #F07BB1

split-complementary

#ECF07B #7BB1F0 #B97BF0

monochromatic

#D2D819 #E4EA44 #ECF07B #F4F6B2 #FBFCE4

Accessibility & contrast

On white

1.21

#ECF07B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.32

#ECF07B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF07B

17.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF07B	#FFFFFF	#000000	##000000
##ECF07B	1.00	1.21	17.32	17.32
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.32	21.00	1.00	1.00
##000000	17.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE770

Deuteranopia (green-blind)

#FFEB81

Tritanopia (blue-blind)

#F9E4D5

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #ecf07b;
/* rgb */ color: rgb(236, 240, 123);
/* oklch */ color: oklch(92.8% 0.140 110.6);

Tailwind

colors: {
  custom: {
    50: '#f4f4a4',
    500: '#ecf07b',
    950: '#000000',
  },
}

SCSS

$custom: #ecf07b;
$custom-light: #f4f4a4;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf07b",
  "rgb": {
    "r": 236,
    "g": 240,
    "b": 123
  },
  "hsl": {
    "h": 62.051,
    "s": 79.592,
    "l": 71.176
  },
  "oklch": {
    "l": 0.92845,
    "c": 0.14046,
    "h": 110.6
  },
  "luminance": 0.81583
}

Semantic roles & 50–950 ramp

primary

#ECF07B

secondary

#4A45CA

accent

#0ADC11

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#17170F

muted

#858580

Preview Lab

Preview with #ECF07B

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

Preview Lab → · Contrast checker → · Palette generator →