#B1F358#B1F358

#B1F358 is a very light, vivid yellow-green. Relative luminance 0.742; OKLCH L 89.0% C 0.195 H 129.4°. Best body text is #000000 at 15.83:1 contrast (WCAG AA passes).

Color values

HEX	#B1F358
RGB	rgb(177, 243, 88)
HSL	hsl(86, 87%, 65%)
HSV	hsv(86, 64%, 95%)
CMYK	cmyk(27.2%, 0%, 63.8%, 4.7%)
CIE-LAB	lab(88.99, -43.77, 65.83)
CIE-LCH	lch(88.99, 79.05, 123.62°)
OKLab	oklab(89.02% -0.1238 0.1508)
OKLCH	oklch(89.02% 0.195 129.4)
XYZ	xyz(51.9432, 74.1516, 20.8066)
Luminance	0.7415 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F358 #9A58F3

analogous

#F3E758 #B1F358 #64F358

triadic

#B1F358 #58B1F3 #F358B1

tetradic

#B1F358 #58F3E7 #9A58F3 #F35864

square

#B1F358 #58F3E7 #9A58F3 #F35864

split-complementary

#B1F358 #5864F3 #E758F3

monochromatic

#76C30E #96EF1F #B1F358 #CCF791 #E6FBCA

Accessibility & contrast

On white

1.33

#B1F358 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.83

#B1F358 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F358

15.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F358	#FFFFFF	#000000	##000000
##B1F358	1.00	1.33	15.83	15.83
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.83	21.00	1.00	1.00
##000000	15.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE344

Deuteranopia (green-blind)

#F5DE64

Tritanopia (blue-blind)

#B6E9D3

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #b1f358;
/* rgb */ color: rgb(177, 243, 88);
/* oklch */ color: oklch(89.0% 0.195 129.4);

Tailwind

colors: {
  custom: {
    50: '#ccf78e',
    500: '#b1f358',
    950: '#000000',
  },
}

SCSS

$custom: #b1f358;
$custom-light: #ccf78e;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f358",
  "rgb": {
    "r": 177,
    "g": 243,
    "b": 88
  },
  "hsl": {
    "h": 85.548,
    "s": 86.592,
    "l": 64.902
  },
  "oklch": {
    "l": 0.89023,
    "c": 0.19507,
    "h": 129.4
  },
  "luminance": 0.74153
}

Semantic roles & 50–950 ramp

primary

#B1F358

secondary

#6D2FC0

accent

#02E362

background

#FEFFFC

surface

#FBFFF4

border

#D4D7CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B1F358

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

Preview Lab → · Contrast checker → · Palette generator →