#B1E459#B1E459

#B1E459 is a very light, vivid yellow-green. Relative luminance 0.656; OKLCH L 85.6% C 0.175 H 126.9°. Best body text is #000000 at 14.11:1 contrast (WCAG AA passes).

Color values

HEX	#B1E459
RGB	rgb(177, 228, 89)
HSL	hsl(82, 72%, 62%)
HSV	hsv(82, 61%, 89%)
CMYK	cmyk(22.4%, 0%, 61%, 10.6%)
CIE-LAB	lab(84.77, -37.07, 60.83)
CIE-LCH	lch(84.77, 71.23, 121.36°)
OKLab	oklab(85.6% -0.1052 0.1403)
OKLCH	oklch(85.6% 0.175 126.9)
XYZ	xyz(47.6780, 65.5544, 19.5906)
Luminance	0.6555 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1E459 #8C59E4

analogous

#E4D159 #B1E459 #6CE459

triadic

#B1E459 #59B1E4 #E459B1

tetradic

#B1E459 #59E4D1 #8C59E4 #E4596C

square

#B1E459 #59E4D1 #8C59E4 #E4596C

split-complementary

#B1E459 #596CE4 #D159E4

monochromatic

#74A71B #98DB24 #B1E459 #CAED8E #E2F5C2

Accessibility & contrast

On white

1.49

#B1E459 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.11

#B1E459 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E459

14.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1E459	#FFFFFF	#000000	##000000
##B1E459	1.00	1.49	14.11	14.11
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.11	21.00	1.00	1.00
##000000	14.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD649

Deuteranopia (green-blind)

#E8D363

Tritanopia (blue-blind)

#B7DAC7

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #b1e459;
/* rgb */ color: rgb(177, 228, 89);
/* oklch */ color: oklch(85.6% 0.175 126.9);

Tailwind

colors: {
  custom: {
    50: '#cbec8d',
    500: '#b1e459',
    950: '#000000',
  },
}

SCSS

$custom: #b1e459;
$custom-light: #cbec8d;
$custom-dark: #000000;

JSON

{
  "hex": "#b1e459",
  "rgb": {
    "r": 177,
    "g": 228,
    "b": 89
  },
  "hsl": {
    "h": 82.014,
    "s": 72.021,
    "l": 62.157
  },
  "oklch": {
    "l": 0.85602,
    "c": 0.17539,
    "h": 126.9
  },
  "luminance": 0.65555
}

Semantic roles & 50–950 ramp

primary

#B1E459

secondary

#6138A9

accent

#11D459

background

#FEFEFC

surface

#FBFDF4

border

#D4D5CE

text

#14160D

muted

#83847F

Preview Lab

Preview with #B1E459

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

Preview Lab → · Contrast checker → · Palette generator →