#ECF965#ECF965

#ECF965 is a very light, vivid yellow. Relative luminance 0.865; OKLCH L 94.5% C 0.170 H 113.9°. Best body text is #000000 at 18.30:1 contrast (WCAG AA passes).

Color values

HEX	#ECF965
RGB	rgb(236, 249, 101)
HSL	hsl(65, 93%, 69%)
HSV	hsv(65, 59%, 98%)
CMYK	cmyk(5.2%, 0%, 59.4%, 2.4%)
CIE-LAB	lab(94.54, -23.16, 67.66)
CIE-LCH	lch(94.54, 71.51, 108.90°)
OKLab	oklab(94.49% -0.0687 0.1552)
OKLCH	oklch(94.49% 0.17 113.9)
XYZ	xyz(70.8184, 86.5251, 25.2798)
Luminance	0.8652 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECF965 #7265F9

analogous

#F9BC65 #ECF965 #A2F965

triadic

#ECF965 #65ECF9 #F965EC

tetradic

#ECF965 #65F9BC #7265F9 #F965A2

square

#ECF965 #65F9BC #7265F9 #F965A2

split-complementary

#ECF965 #65A2F9 #BC65F9

monochromatic

#C9DB09 #E5F72A #ECF965 #F3FBA0 #FBFEDB

Accessibility & contrast

On white

1.15

#ECF965 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.30

#ECF965 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECF965

18.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECF965	#FFFFFF	#000000	##000000
##ECF965	1.00	1.15	18.30	18.30
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.30	21.00	1.00	1.00
##000000	18.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE54

Deuteranopia (green-blind)

#FFF16E

Tritanopia (blue-blind)

#FAECDA

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #ecf965;
/* rgb */ color: rgb(236, 249, 101);
/* oklch */ color: oklch(94.5% 0.170 113.9);

Tailwind

colors: {
  custom: {
    50: '#f5fb96',
    500: '#ecf965',
    950: '#000000',
  },
}

SCSS

$custom: #ecf965;
$custom-light: #f5fb96;
$custom-dark: #000000;

JSON

{
  "hex": "#ecf965",
  "rgb": {
    "r": 236,
    "g": 249,
    "b": 101
  },
  "hsl": {
    "h": 65.27,
    "s": 92.5,
    "l": 68.627
  },
  "oklch": {
    "l": 0.9449,
    "c": 0.16972,
    "h": 113.9
  },
  "luminance": 0.86524
}

Semantic roles & 50–950 ramp

primary

#ECF965

secondary

#3E30D3

accent

#00E614

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#17170E

muted

#85857F

Preview Lab

Preview with #ECF965

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

Preview Lab → · Contrast checker → · Palette generator →