#E1F05B#E1F05B

#E1F05B is a very light, vivid yellow. Relative luminance 0.791; OKLCH L 91.7% C 0.170 H 114.7°. Best body text is #000000 at 16.82:1 contrast (WCAG AA passes).

Color values

HEX	#E1F05B
RGB	rgb(225, 240, 91)
HSL	hsl(66, 83%, 65%)
HSV	hsv(66, 62%, 94%)
CMYK	cmyk(6.3%, 0%, 62.1%, 5.9%)
CIE-LAB	lab(91.27, -23.90, 67.98)
CIE-LCH	lch(91.27, 72.06, 109.37°)
OKLab	oklab(91.65% -0.0711 0.1548)
OKLCH	oklch(91.65% 0.17 114.7)
XYZ	xyz(64.1013, 79.0841, 21.7835)
Luminance	0.7908 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E1F05B #6A5BF0

analogous

#F0B45B #E1F05B #97F05B

triadic

#E1F05B #5BE1F0 #F05BE1

tetradic

#E1F05B #5BF0B4 #6A5BF0 #F05B97

square

#E1F05B #5BF0B4 #6A5BF0 #F05B97

split-complementary

#E1F05B #5B97F0 #B45BF0

monochromatic

#AEBF11 #D7EB23 #E1F05B #EBF593 #F6FACB

Accessibility & contrast

On white

1.25

#E1F05B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.82

#E1F05B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E1F05B

16.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E1F05B	#FFFFFF	#000000	##000000
##E1F05B	1.00	1.25	16.82	16.82
#FFFFFF	1.25	1.00	21.00	21.00
#000000	16.82	21.00	1.00	1.00
##000000	16.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE548

Deuteranopia (green-blind)

#FFE765

Tritanopia (blue-blind)

#EFE3D1

Achromatopsia (no color)

#E6E6E6

Design tokens & code

CSS

--color: #e1f05b;
/* rgb */ color: rgb(225, 240, 91);
/* oklch */ color: oklch(91.7% 0.170 114.7);

Tailwind

colors: {
  custom: {
    50: '#edf490',
    500: '#e1f05b',
    950: '#000000',
  },
}

SCSS

$custom: #e1f05b;
$custom-light: #edf490;
$custom-dark: #000000;

JSON

{
  "hex": "#e1f05b",
  "rgb": {
    "r": 225,
    "g": 240,
    "b": 91
  },
  "hsl": {
    "h": 66.04,
    "s": 83.24,
    "l": 64.902
  },
  "oklch": {
    "l": 0.91652,
    "c": 0.17037,
    "h": 114.7
  },
  "luminance": 0.79083
}

Semantic roles & 50–950 ramp

primary

#E1F05B

secondary

#4032BD

accent

#06E01C

background

#FFFFFC

surface

#FEFEF4

border

#D6D6CE

text

#17170D

muted

#85857F

Preview Lab

Preview with #E1F05B

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

Preview Lab → · Contrast checker → · Palette generator →