#ECE54B#ECE54B

#ECE54B is a very light, vivid yellow. Relative luminance 0.744; OKLCH L 90.1% C 0.168 H 106.8°. Best body text is #000000 at 15.88:1 contrast (WCAG AA passes).

Color values

HEX	#ECE54B
RGB	rgb(236, 229, 75)
HSL	hsl(57, 81%, 61%)
HSV	hsv(57, 68%, 93%)
CMYK	cmyk(0%, 3%, 68.2%, 7.5%)
CIE-LAB	lab(89.10, -15.05, 72.17)
CIE-LCH	lch(89.10, 73.72, 101.78°)
OKLab	oklab(90.09% -0.0484 0.161)
OKLCH	oklch(90.09% 0.168 106.8)
XYZ	xyz(63.8838, 74.3817, 17.6472)
Luminance	0.7438 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ECE54B #4B52EC

analogous

#EC944B #ECE54B #A2EC4B

triadic

#ECE54B #4BECE5 #E54BEC

tetradic

#ECE54B #4BEC94 #4B52EC #EC4BA2

square

#ECE54B #4BEC94 #4B52EC #EC4BA2

split-complementary

#ECE54B #4BA2EC #944BEC

monochromatic

#ABA412 #E2D918 #ECE54B #F2ED82 #F8F5BA

Accessibility & contrast

On white

1.32

#ECE54B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.88

#ECE54B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ECE54B

15.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ECE54B	#FFFFFF	#000000	##000000
##ECE54B	1.00	1.32	15.88	15.88
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.88	21.00	1.00	1.00
##000000	15.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F8DC33

Deuteranopia (green-blind)

#FBE355

Tritanopia (blue-blind)

#FDD6C6

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #ece54b;
/* rgb */ color: rgb(236, 229, 75);
/* oklch */ color: oklch(90.1% 0.168 106.8);

Tailwind

colors: {
  custom: {
    50: '#f6ec86',
    500: '#ece54b',
    950: '#000000',
  },
}

SCSS

$custom: #ece54b;
$custom-light: #f6ec86;
$custom-dark: #000000;

JSON

{
  "hex": "#ece54b",
  "rgb": {
    "r": 236,
    "g": 229,
    "b": 75
  },
  "hsl": {
    "h": 57.391,
    "s": 80.905,
    "l": 60.98
  },
  "oklch": {
    "l": 0.90089,
    "c": 0.16808,
    "h": 106.8
  },
  "luminance": 0.74379
}

Semantic roles & 50–950 ramp

primary

#ECE54B

secondary

#3035AC

accent

#12DD08

background

#FFFEFC

surface

#FFFDF4

border

#D7D5CE

text

#18160C

muted

#86847F

Preview Lab

Preview with #ECE54B

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

Preview Lab → · Contrast checker → · Palette generator →