#ECE370#ECE370

#ECE370 is a very light, vivid yellow. Relative luminance 0.739; OKLCH L 90.0% C 0.137 H 104.7°. Best body text is #000000 at 15.79:1 contrast (WCAG AA passes).

Color values

HEX	#ECE370
RGB	rgb(236, 227, 112)
HSL	hsl(56, 77%, 68%)
HSV	hsv(56, 53%, 93%)
CMYK	cmyk(0%, 3.8%, 52.5%, 7.5%)
CIE-LAB	lab(88.90, -11.65, 56.50)
CIE-LCH	lch(88.90, 57.68, 101.65°)
OKLab	oklab(90.02% -0.0349 0.1325)
OKLCH	oklch(90.02% 0.137 104.7)
XYZ	xyz(64.9877, 73.9429, 26.1752)
Luminance	0.7394 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECE370 #7079EC

analogous

#ECA570 #ECE370 #B7EC70

triadic

#ECE370 #70ECE3 #E370EC

tetradic

#ECE370 #70ECA5 #7079EC #EC70B7

square

#ECE370 #70ECA5 #7079EC #EC70B7

split-complementary

#ECE370 #70B7EC #A570EC

monochromatic

#C7BB1A #E5D83A #ECE370 #F3EEA6 #FAF8DC

Accessibility & contrast

On white

1.33

#ECE370 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.79

#ECE370 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECE370

15.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECE370	#FFFFFF	#000000	##000000
##ECE370	1.00	1.33	15.79	15.79
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.79	21.00	1.00	1.00
##000000	15.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4DC65

Deuteranopia (green-blind)

#F7E276

Tritanopia (blue-blind)

#FBD6C9

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #ece370;
/* rgb */ color: rgb(236, 227, 112);
/* oklch */ color: oklch(90.0% 0.137 104.7);

Tailwind

colors: {
  custom: {
    50: '#f4eb9c',
    500: '#ece370',
    950: '#000000',
  },
}

SCSS

$custom: #ece370;
$custom-light: #f4eb9c;
$custom-dark: #000000;

JSON

{
  "hex": "#ece370",
  "rgb": {
    "r": 236,
    "g": 227,
    "b": 112
  },
  "hsl": {
    "h": 55.645,
    "s": 76.543,
    "l": 68.235
  },
  "oklch": {
    "l": 0.90024,
    "c": 0.13705,
    "h": 104.7
  },
  "luminance": 0.73941
}

Semantic roles & 50–950 ramp

primary

#ECE370

secondary

#3C46C4

accent

#1CD90D

background

#FFFEFC

surface

#FFFDF5

border

#D7D5CF

text

#17160E

muted

#85847F

Preview Lab

Preview with #ECE370

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

Preview Lab → · Contrast checker → · Palette generator →