#ECF956#ECF956

#ECF956 is a very light, vivid yellow. Relative luminance 0.863; OKLCH L 94.4% C 0.181 H 113.8°. Best body text is #000000 at 18.25:1 contrast (WCAG AA passes).

Color values

HEX	#ECF956
RGB	rgb(236, 249, 86)
HSL	hsl(65, 93%, 66%)
HSV	hsv(65, 65%, 98%)
CMYK	cmyk(5.2%, 0%, 65.5%, 2.4%)
CIE-LAB	lab(94.42, -24.10, 73.46)
CIE-LCH	lch(94.42, 77.31, 108.17°)
OKLab	oklab(94.36% -0.0728 0.1654)
OKLCH	oklch(94.36% 0.181 113.8)
XYZ	xyz(70.1494, 86.2575, 21.7563)
Luminance	0.8626 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF956 #6356F9

analogous

#F9B456 #ECF956 #9AF956

triadic

#ECF956 #56ECF9 #F956EC

tetradic

#ECF956 #56F9B4 #6356F9 #F9569A

square

#ECF956 #56F9B4 #6356F9 #F9569A

split-complementary

#ECF956 #569AF9 #B456F9

monochromatic

#BECD07 #E5F71B #ECF956 #F3FB91 #F9FDCC

Accessibility & contrast

On white

1.15

#ECF956 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.25

#ECF956 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF956

18.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF956	#FFFFFF	#000000	##000000
##ECF956	1.00	1.15	18.25	18.25
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.25	21.00	1.00	1.00
##000000	18.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED3F

Deuteranopia (green-blind)

#FFF162

Tritanopia (blue-blind)

#FBEBD8

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #ecf956;
/* rgb */ color: rgb(236, 249, 86);
/* oklch */ color: oklch(94.4% 0.181 113.8);

Tailwind

colors: {
  custom: {
    50: '#f6fb8e',
    500: '#ecf956',
    950: '#000000',
  },
}

SCSS

$custom: #ecf956;
$custom-light: #f6fb8e;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf956",
  "rgb": {
    "r": 236,
    "g": 249,
    "b": 86
  },
  "hsl": {
    "h": 64.785,
    "s": 93.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.94362,
    "c": 0.1807,
    "h": 113.8
  },
  "luminance": 0.86256
}

Semantic roles & 50–950 ramp

primary

#ECF956

secondary

#372AC9

accent

#00E612

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #ECF956

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

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