#ECCF4F#ECCF4F

#ECCF4F is a very light, vivid yellow. Relative luminance 0.630; OKLCH L 85.6% C 0.147 H 96.3°. Best body text is #000000 at 13.60:1 contrast (WCAG AA passes).

Color values

HEX	#ECCF4F
RGB	rgb(236, 207, 79)
HSL	hsl(49, 81%, 62%)
HSV	hsv(49, 67%, 93%)
CMYK	cmyk(0%, 12.3%, 66.5%, 7.5%)
CIE-LAB	lab(83.46, -3.82, 64.87)
CIE-LCH	lch(83.46, 64.98, 93.37°)
OKLab	oklab(85.61% -0.0161 0.1462)
OKLCH	oklch(85.61% 0.147 96.3)
XYZ	xyz(58.3189, 63.0260, 16.4890)
Luminance	0.6302 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECCF4F #4F6CEC

analogous

#EC814F #ECCF4F #BBEC4F

triadic

#ECCF4F #4FECCF #CF4FEC

tetradic

#ECCF4F #4FEC81 #4F6CEC #EC4FBB

square

#ECCF4F #4FEC81 #4F6CEC #EC4FBB

split-complementary

#ECCF4F #4FBBEC #814FEC

monochromatic

#AE9113 #E5BF19 #ECCF4F #F2DE86 #F8EDBD

Accessibility & contrast

On white

1.54

#ECCF4F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.60

#ECCF4F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECCF4F

13.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECCF4F	#FFFFFF	#000000	##000000
##ECCF4F	1.00	1.54	13.60	13.60
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.60	21.00	1.00	1.00
##000000	13.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3CB3F

Deuteranopia (green-blind)

#EBD456

Tritanopia (blue-blind)

#FEC0B4

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #eccf4f;
/* rgb */ color: rgb(236, 207, 79);
/* oklch */ color: oklch(85.6% 0.147 96.3);

Tailwind

colors: {
  custom: {
    50: '#f6dd86',
    500: '#eccf4f',
    950: '#000000',
  },
}

SCSS

$custom: #eccf4f;
$custom-light: #f6dd86;
$custom-dark: #000000;

JSON

{
  "hex": "#eccf4f",
  "rgb": {
    "r": 236,
    "g": 207,
    "b": 79
  },
  "hsl": {
    "h": 48.917,
    "s": 80.513,
    "l": 61.765
  },
  "oklch": {
    "l": 0.85613,
    "c": 0.14708,
    "h": 96.3
  },
  "luminance": 0.63023
}

Semantic roles & 50–950 ramp

primary

#ECCF4F

secondary

#3148AE

accent

#30DD09

background

#FFFEFC

surface

#FFFCF3

border

#D7D5CD

text

#18150C

muted

#86847F

Preview Lab

Preview with #ECCF4F

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

Preview Lab → · Contrast checker → · Palette generator →