#B1F459#B1F459

#B1F459 is a very light, vivid yellow-green. Relative luminance 0.748; OKLCH L 89.3% C 0.196 H 129.6°. Best body text is #000000 at 15.95:1 contrast (WCAG AA passes).

Color values

HEX	#B1F459
RGB	rgb(177, 244, 89)
HSL	hsl(86, 88%, 65%)
HSV	hsv(86, 64%, 96%)
CMYK	cmyk(27.5%, 0%, 63.5%, 4.3%)
CIE-LAB	lab(89.28, -44.13, 65.74)
CIE-LCH	lch(89.28, 79.18, 123.87°)
OKLab	oklab(89.26% -0.1247 0.1507)
OKLCH	oklch(89.26% 0.196 129.6)
XYZ	xyz(52.2850, 74.7684, 21.1263)
Luminance	0.7477 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F459 #9C59F4

analogous

#F4E959 #B1F459 #64F459

triadic

#B1F459 #59B1F4 #F459B1

tetradic

#B1F459 #59F4E9 #9C59F4 #F45964

square

#B1F459 #59F4E9 #9C59F4 #F45964

split-complementary

#B1F459 #5964F4 #E959F4

monochromatic

#76C60D #96F020 #B1F459 #CCF892 #E7FCCC

Accessibility & contrast

On white

1.32

#B1F459 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.95

#B1F459 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F459

15.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F459	#FFFFFF	#000000	##000000
##B1F459	1.00	1.32	15.95	15.95
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.95	21.00	1.00	1.00
##000000	15.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE345

Deuteranopia (green-blind)

#F5DF65

Tritanopia (blue-blind)

#B5EAD4

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #b1f459;
/* rgb */ color: rgb(177, 244, 89);
/* oklch */ color: oklch(89.3% 0.196 129.6);

Tailwind

colors: {
  custom: {
    50: '#ccf88e',
    500: '#b1f459',
    950: '#000000',
  },
}

SCSS

$custom: #b1f459;
$custom-light: #ccf88e;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f459",
  "rgb": {
    "r": 177,
    "g": 244,
    "b": 89
  },
  "hsl": {
    "h": 85.935,
    "s": 87.571,
    "l": 65.294
  },
  "oklch": {
    "l": 0.89262,
    "c": 0.1956,
    "h": 129.6
  },
  "luminance": 0.7477
}

Semantic roles & 50–950 ramp

primary

#B1F459

secondary

#6F2FC3

accent

#01E463

background

#FEFFFC

surface

#FBFFF4

border

#D4D7CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B1F459

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

Preview Lab → · Contrast checker → · Palette generator →