#B3F45B#B3F45B

#B3F45B is a very light, vivid yellow-green. Relative luminance 0.750; OKLCH L 89.4% C 0.193 H 129.3°. Best body text is #000000 at 16.01:1 contrast (WCAG AA passes).

Color values

HEX	#B3F45B
RGB	rgb(179, 244, 91)
HSL	hsl(85, 87%, 66%)
HSV	hsv(85, 63%, 96%)
CMYK	cmyk(26.6%, 0%, 62.7%, 4.3%)
CIE-LAB	lab(89.41, -43.26, 65.11)
CIE-LCH	lch(89.41, 78.17, 123.60°)
OKLab	oklab(89.4% -0.1222 0.1496)
OKLCH	oklch(89.4% 0.193 129.3)
XYZ	xyz(52.8291, 75.0391, 21.5961)
Luminance	0.7504 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3F45B #9C5BF4

analogous

#F4E85B #B3F45B #66F45B

triadic

#B3F45B #5BB3F4 #F45BB3

tetradic

#B3F45B #5BF4E8 #9C5BF4 #F45B66

square

#B3F45B #5BF4E8 #9C5BF4 #F45B66

split-complementary

#B3F45B #5B66F4 #E85BF4

monochromatic

#78C70D #98F022 #B3F45B #CEF894 #E8FCCE

Accessibility & contrast

On white

1.31

#B3F45B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.01

#B3F45B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3F45B

16.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3F45B	#FFFFFF	#000000	##000000
##B3F45B	1.00	1.31	16.01	16.01
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.01	21.00	1.00	1.00
##000000	16.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE448

Deuteranopia (green-blind)

#F6DF67

Tritanopia (blue-blind)

#B8EAD4

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #b3f45b;
/* rgb */ color: rgb(179, 244, 91);
/* oklch */ color: oklch(89.4% 0.193 129.3);

Tailwind

colors: {
  custom: {
    50: '#cdf890',
    500: '#b3f45b',
    950: '#000000',
  },
}

SCSS

$custom: #b3f45b;
$custom-light: #cdf890;
$custom-dark: #000000;

JSON

{
  "hex": "#b3f45b",
  "rgb": {
    "r": 179,
    "g": 244,
    "b": 91
  },
  "hsl": {
    "h": 85.49,
    "s": 87.429,
    "l": 65.686
  },
  "oklch": {
    "l": 0.89399,
    "c": 0.19317,
    "h": 129.3
  },
  "luminance": 0.7504
}

Semantic roles & 50–950 ramp

primary

#B3F45B

secondary

#6E2FC4

accent

#02E462

background

#FEFFFC

surface

#FBFFF4

border

#D4D7CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B3F45B

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

Preview Lab → · Contrast checker → · Palette generator →