#B1D550#B1D550

#B1D550 is a very light, vivid yellow-green. Relative luminance 0.575; OKLCH L 82.1% C 0.164 H 122.9°. Best body text is #000000 at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#B1D550
RGB	rgb(177, 213, 80)
HSL	hsl(76, 61%, 57%)
HSV	hsv(76, 62%, 84%)
CMYK	cmyk(16.9%, 0%, 62.4%, 16.5%)
CIE-LAB	lab(80.47, -30.86, 59.90)
CIE-LCH	lch(80.47, 67.39, 117.26°)
OKLab	oklab(82.1% -0.0888 0.1373)
OKLCH	oklch(82.1% 0.164 122.9)
XYZ	xyz(43.3741, 57.5146, 16.4042)
Luminance	0.5752 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D550 #7450D5

analogous

#D5B750 #B1D550 #6ED550

triadic

#B1D550 #50B1D5 #D550B1

tetradic

#B1D550 #50D5B7 #7450D5 #D5506E

square

#B1D550 #50D5B7 #7450D5 #D5506E

split-complementary

#B1D550 #506ED5 #B750D5

monochromatic

#6D8A21 #94BB2D #B1D550 #C7E181 #DDEDB3

Accessibility & contrast

On white

1.68

#B1D550 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.50

#B1D550 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D550

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D550	#FFFFFF	#000000	##000000
##B1D550	1.00	1.68	12.50	12.50
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.50	21.00	1.00	1.00
##000000	12.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C940

Deuteranopia (green-blind)

#DCC85A

Tritanopia (blue-blind)

#B9CBB9

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #b1d550;
/* rgb */ color: rgb(177, 213, 80);
/* oklch */ color: oklch(82.1% 0.164 122.9);

Tailwind

colors: {
  custom: {
    50: '#cbe287',
    500: '#b1d550',
    950: '#000000',
  },
}

SCSS

$custom: #b1d550;
$custom-light: #cbe287;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d550",
  "rgb": {
    "r": 177,
    "g": 213,
    "b": 80
  },
  "hsl": {
    "h": 76.241,
    "s": 61.29,
    "l": 57.451
  },
  "oklch": {
    "l": 0.82104,
    "c": 0.16351,
    "h": 122.9
  },
  "luminance": 0.57515
}

Semantic roles & 50–950 ramp

primary

#B1D550

secondary

#513990

accent

#43E46F

background

#FEFEFC

surface

#FBFCF3

border

#D4D5CD

text

#14150C

muted

#83847F

Preview Lab

Preview with #B1D550

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

Preview Lab → · Contrast checker → · Palette generator →