#B3F251#B3F251

#B3F251 is a very light, vivid yellow-green. Relative luminance 0.737; OKLCH L 88.9% C 0.198 H 128.3°. Best body text is #000000 at 15.74:1 contrast (WCAG AA passes).

Color values

HEX	#B3F251
RGB	rgb(179, 242, 81)
HSL	hsl(83, 86%, 63%)
HSV	hsv(83, 67%, 95%)
CMYK	cmyk(26%, 0%, 66.5%, 5.1%)
CIE-LAB	lab(88.77, -43.11, 68.34)
CIE-LCH	lch(88.77, 80.81, 122.25°)
OKLab	oklab(88.85% -0.1227 0.1551)
OKLCH	oklch(88.85% 0.198 128.3)
XYZ	xyz(51.8276, 73.6809, 19.2742)
Luminance	0.7368 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3F251 #9051F2

analogous

#F2E051 #B3F251 #62F251

triadic

#B3F251 #51B3F2 #F251B3

tetradic

#B3F251 #51F2E0 #9051F2 #F25162

square

#B3F251 #51F2E0 #9051F2 #F25162

split-complementary

#B3F251 #5162F2 #E051F2

monochromatic

#77BB0E #9AEE18 #B3F251 #CCF68A #E5FBC3

Accessibility & contrast

On white

1.33

#B3F251 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.74

#B3F251 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B3F251

15.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3F251	#FFFFFF	#000000	##000000
##B3F251	1.00	1.33	15.74	15.74
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.74	21.00	1.00	1.00
##000000	15.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE23A

Deuteranopia (green-blind)

#F5DE5E

Tritanopia (blue-blind)

#B9E8D1

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #b3f251;
/* rgb */ color: rgb(179, 242, 81);
/* oklch */ color: oklch(88.9% 0.198 128.3);

Tailwind

colors: {
  custom: {
    50: '#cef68a',
    500: '#b3f251',
    950: '#000000',
  },
}

SCSS

$custom: #b3f251;
$custom-light: #cef68a;
$custom-dark: #000000;

JSON

{
  "hex": "#b3f251",
  "rgb": {
    "r": 179,
    "g": 242,
    "b": 81
  },
  "hsl": {
    "h": 83.478,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.88855,
    "c": 0.19778,
    "h": 128.3
  },
  "luminance": 0.73682
}

Semantic roles & 50–950 ramp

primary

#B3F251

secondary

#642EB9

accent

#03E35A

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170C

muted

#83857F

Preview Lab

Preview with #B3F251

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

Preview Lab → · Contrast checker → · Palette generator →