#ECEF5C#ECEF5C

#ECEF5C is a very light, vivid yellow. Relative luminance 0.803; OKLCH L 92.3% C 0.166 H 110.4°. Best body text is #000000 at 17.07:1 contrast (WCAG AA passes).

Color values

HEX	#ECEF5C
RGB	rgb(236, 239, 92)
HSL	hsl(61, 82%, 65%)
HSV	hsv(61, 62%, 94%)
CMYK	cmyk(1.3%, 0%, 61.5%, 6.3%)
CIE-LAB	lab(91.84, -18.96, 68.42)
CIE-LCH	lch(91.84, 71.00, 105.49°)
OKLab	oklab(92.31% -0.0578 0.1556)
OKLCH	oklch(92.31% 0.166 110.4)
XYZ	xyz(67.3923, 80.3403, 22.0803)
Luminance	0.8034 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECEF5C #5F5CEF

analogous

#EFA85C #ECEF5C #A3EF5C

triadic

#ECEF5C #5CECEF #EF5CEC

tetradic

#ECEF5C #5CEFA8 #5F5CEF #EF5CA3

square

#ECEF5C #5CEFA8 #5F5CEF #EF5CA3

split-complementary

#ECEF5C #5CA3EF #A85CEF

monochromatic

#BABE13 #E6EA24 #ECEF5C #F2F494 #F9FACB

Accessibility & contrast

On white

1.23

#ECEF5C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.07

#ECEF5C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECEF5C

17.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECEF5C	#FFFFFF	#000000	##000000
##ECEF5C	1.00	1.23	17.07	17.07
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.07	21.00	1.00	1.00
##000000	17.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE54A

Deuteranopia (green-blind)

#FFEA65

Tritanopia (blue-blind)

#FBE1D0

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #ecef5c;
/* rgb */ color: rgb(236, 239, 92);
/* oklch */ color: oklch(92.3% 0.166 110.4);

Tailwind

colors: {
  custom: {
    50: '#f5f490',
    500: '#ecef5c',
    950: '#000000',
  },
}

SCSS

$custom: #ecef5c;
$custom-light: #f5f490;
$custom-dark: #000000;

JSON

{
  "hex": "#ecef5c",
  "rgb": {
    "r": 236,
    "g": 239,
    "b": 92
  },
  "hsl": {
    "h": 61.224,
    "s": 82.123,
    "l": 64.902
  },
  "oklch": {
    "l": 0.92309,
    "c": 0.166,
    "h": 110.4
  },
  "luminance": 0.80339
}

Semantic roles & 50–950 ramp

primary

#ECEF5C

secondary

#3633BC

accent

#07DF0B

background

#FFFFFC

surface

#FFFEF4

border

#D7D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #ECEF5C

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

Preview Lab → · Contrast checker → · Palette generator →