#B1D145#B1D145

#B1D145 is a light, vivid yellow-green. Relative luminance 0.554; OKLCH L 81.1% C 0.167 H 121.4°. Best body text is #000000 at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#B1D145
RGB	rgb(177, 209, 69)
HSL	hsl(74, 60%, 55%)
HSV	hsv(74, 67%, 82%)
CMYK	cmyk(15.3%, 0%, 67%, 18%)
CIE-LAB	lab(79.26, -29.74, 63.04)
CIE-LCH	lch(79.26, 69.70, 115.25°)
OKLab	oklab(81.1% -0.0867 0.1424)
OKLCH	oklch(81.1% 0.167 121.4)
XYZ	xyz(42.0067, 55.3777, 14.1051)
Luminance	0.5538 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D145 #6545D1

analogous

#D1AB45 #B1D145 #6BD145

triadic

#B1D145 #45B1D1 #D145B1

tetradic

#B1D145 #45D1AB #6545D1 #D1456B

square

#B1D145 #45D1AB #6545D1 #D1456B

split-complementary

#B1D145 #456BD1 #AB45D1

monochromatic

#677D1F #90AE2B #B1D145 #C6DD76 #DAE9A7

Accessibility & contrast

On white

1.74

#B1D145 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.08

#B1D145 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D145

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D145	#FFFFFF	#000000	##000000
##B1D145	1.00	1.74	12.08	12.08
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.08	21.00	1.00	1.00
##000000	12.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC531

Deuteranopia (green-blind)

#D9C450

Tritanopia (blue-blind)

#BAC6B5

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #b1d145;
/* rgb */ color: rgb(177, 209, 69);
/* oklch */ color: oklch(81.1% 0.167 121.4);

Tailwind

colors: {
  custom: {
    50: '#cbdf80',
    500: '#b1d145',
    950: '#000000',
  },
}

SCSS

$custom: #b1d145;
$custom-light: #cbdf80;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d145",
  "rgb": {
    "r": 177,
    "g": 209,
    "b": 69
  },
  "hsl": {
    "h": 73.714,
    "s": 60.345,
    "l": 54.51
  },
  "oklch": {
    "l": 0.81101,
    "c": 0.16671,
    "h": 121.4
  },
  "luminance": 0.55378
}

Semantic roles & 50–950 ramp

primary

#B1D145

secondary

#483684

accent

#44E369

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B1D145

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

Preview Lab → · Contrast checker → · Palette generator →