#E3EC5B#E3EC5B

#E3EC5B is a very light, vivid yellow. Relative luminance 0.771; OKLCH L 91.0% C 0.166 H 112.6°. Best body text is #000000 at 16.42:1 contrast (WCAG AA passes).

Color values

HEX	#E3EC5B
RGB	rgb(227, 236, 91)
HSL	hsl(64, 79%, 64%)
HSV	hsv(64, 61%, 93%)
CMYK	cmyk(3.8%, 0%, 61.4%, 7.5%)
CIE-LAB	lab(90.36, -21.19, 67.05)
CIE-LCH	lch(90.36, 70.32, 107.54°)
OKLab	oklab(90.96% -0.0636 0.1528)
OKLCH	oklch(90.96% 0.166 112.6)
XYZ	xyz(63.5640, 77.0785, 21.4247)
Luminance	0.7708 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3EC5B #645BEC

analogous

#ECAD5B #E3EC5B #9BEC5B

triadic

#E3EC5B #5BE3EC #EC5BE3

tetradic

#E3EC5B #5BECAD #645BEC #EC5B9B

square

#E3EC5B #5BECAD #645BEC #EC5B9B

split-complementary

#E3EC5B #5B9BEC #AD5BEC

monochromatic

#ADB715 #DAE624 #E3EC5B #ECF292 #F6F9C9

Accessibility & contrast

On white

1.28

#E3EC5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.42

#E3EC5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E3EC5B

16.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3EC5B	#FFFFFF	#000000	##000000
##E3EC5B	1.00	1.28	16.42	16.42
#FFFFFF	1.28	1.00	21.00	21.00
#000000	16.42	21.00	1.00	1.00
##000000	16.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE249

Deuteranopia (green-blind)

#FDE564

Tritanopia (blue-blind)

#F1DFCE

Achromatopsia (no color)

#E3E3E3

Design tokens & code

CSS

--color: #e3ec5b;
/* rgb */ color: rgb(227, 236, 91);
/* oklch */ color: oklch(91.0% 0.166 112.6);

Tailwind

colors: {
  custom: {
    50: '#eff28f',
    500: '#e3ec5b',
    950: '#000000',
  },
}

SCSS

$custom: #e3ec5b;
$custom-light: #eff28f;
$custom-dark: #000000;

JSON

{
  "hex": "#e3ec5b",
  "rgb": {
    "r": 227,
    "g": 236,
    "b": 91
  },
  "hsl": {
    "h": 63.724,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.90957,
    "c": 0.16551,
    "h": 112.6
  },
  "luminance": 0.77077
}

Semantic roles & 50–950 ramp

primary

#E3EC5B

secondary

#3C34B7

accent

#0ADC17

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17160D

muted

#85857F

Preview Lab

Preview with #E3EC5B

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

Preview Lab → · Contrast checker → · Palette generator →