#B1D237#B1D237

#B1D237 is a light, vivid yellow-green. Relative luminance 0.557; OKLCH L 81.2% C 0.177 H 121.2°. Best body text is #000000 at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#B1D237
RGB	rgb(177, 210, 55)
HSL	hsl(73, 63%, 52%)
HSV	hsv(73, 74%, 82%)
CMYK	cmyk(15.7%, 0%, 73.8%, 17.6%)
CIE-LAB	lab(79.45, -30.99, 68.25)
CIE-LCH	lch(79.45, 74.96, 114.42°)
OKLab	oklab(81.23% -0.0914 0.1512)
OKLCH	oklch(81.23% 0.177 121.2)
XYZ	xyz(41.8683, 55.7162, 12.1623)
Luminance	0.5572 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D237 #5837D2

analogous

#D2A537 #B1D237 #64D237

triadic

#B1D237 #37B1D2 #D237B1

tetradic

#B1D237 #37D2A5 #5837D2 #D23764

square

#B1D237 #37D2A5 #5837D2 #D23764

split-complementary

#B1D237 #3764D2 #A537D2

monochromatic

#61741A #8BA625 #B1D237 #C4DD69 #D8E89B

Accessibility & contrast

On white

1.73

#B1D237 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.14

#B1D237 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D237

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D237	#FFFFFF	#000000	##000000
##B1D237	1.00	1.73	12.14	12.14
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.14	21.00	1.00	1.00
##000000	12.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC515

Deuteranopia (green-blind)

#DBC545

Tritanopia (blue-blind)

#BBC7B5

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #b1d237;
/* rgb */ color: rgb(177, 210, 55);
/* oklch */ color: oklch(81.2% 0.177 121.2);

Tailwind

colors: {
  custom: {
    50: '#ccdf79',
    500: '#b1d237',
    950: '#000000',
  },
}

SCSS

$custom: #b1d237;
$custom-light: #ccdf79;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d237",
  "rgb": {
    "r": 177,
    "g": 210,
    "b": 55
  },
  "hsl": {
    "h": 72.774,
    "s": 63.265,
    "l": 51.961
  },
  "oklch": {
    "l": 0.81229,
    "c": 0.17664,
    "h": 121.2
  },
  "luminance": 0.55716
}

Semantic roles & 50–950 ramp

primary

#B1D237

secondary

#41307D

accent

#41E665

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150A

muted

#83847D

Preview Lab

Preview with #B1D237

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

Preview Lab → · Contrast checker → · Palette generator →