#E3F45B#E3F45B

#E3F45B is a very light, vivid yellow. Relative luminance 0.818; OKLCH L 92.7% C 0.174 H 115.3°. Best body text is #000000 at 17.36:1 contrast (WCAG AA passes).

Color values

HEX	#E3F45B
RGB	rgb(227, 244, 91)
HSL	hsl(67, 87%, 66%)
HSV	hsv(67, 63%, 96%)
CMYK	cmyk(7%, 0%, 62.7%, 4.3%)
CIE-LAB	lab(92.48, -25.01, 69.31)
CIE-LCH	lch(92.48, 73.68, 109.84°)
OKLab	oklab(92.66% -0.0743 0.1576)
OKLCH	oklch(92.66% 0.174 115.3)
XYZ	xyz(65.9191, 81.7886, 22.2097)
Luminance	0.8179 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E3F45B #6C5BF4

analogous

#F4B95B #E3F45B #96F45B

triadic

#E3F45B #5BE3F4 #F45BE3

tetradic

#E3F45B #5BF4B9 #6C5BF4 #F45B96

square

#E3F45B #5BF4B9 #6C5BF4 #F45B96

split-complementary

#E3F45B #5B96F4 #B95BF4

monochromatic

#B3C70D #D9F022 #E3F45B #EDF894 #F7FCCE

Accessibility & contrast

On white

1.21

#E3F45B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.36

#E3F45B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E3F45B

17.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E3F45B	#FFFFFF	#000000	##000000
##E3F45B	1.00	1.21	17.36	17.36
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.36	21.00	1.00	1.00
##000000	17.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE847

Deuteranopia (green-blind)

#FFEB65

Tritanopia (blue-blind)

#F1E7D4

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #e3f45b;
/* rgb */ color: rgb(227, 244, 91);
/* oklch */ color: oklch(92.7% 0.174 115.3);

Tailwind

colors: {
  custom: {
    50: '#eff790',
    500: '#e3f45b',
    950: '#000000',
  },
}

SCSS

$custom: #e3f45b;
$custom-light: #eff790;
$custom-dark: #000000;

JSON

{
  "hex": "#e3f45b",
  "rgb": {
    "r": 227,
    "g": 244,
    "b": 91
  },
  "hsl": {
    "h": 66.667,
    "s": 87.429,
    "l": 65.686
  },
  "oklch": {
    "l": 0.92657,
    "c": 0.17422,
    "h": 115.3
  },
  "luminance": 0.81788
}

Semantic roles & 50–950 ramp

primary

#E3F45B

secondary

#402FC4

accent

#02E41B

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E3F45B

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

Preview Lab → · Contrast checker → · Palette generator →