#B1DA45#B1DA45

#B1DA45 is a very light, vivid yellow-green. Relative luminance 0.599; OKLCH L 83.1% C 0.178 H 123.6°. Best body text is #000000 at 12.98:1 contrast (WCAG AA passes).

Color values

HEX	#B1DA45
RGB	rgb(177, 218, 69)
HSL	hsl(77, 67%, 56%)
HSV	hsv(77, 68%, 85%)
CMYK	cmyk(18.8%, 0%, 68.3%, 14.5%)
CIE-LAB	lab(81.79, -33.93, 65.63)
CIE-LCH	lch(81.79, 73.88, 117.33°)
OKLab	oklab(83.15% -0.0983 0.1478)
OKLCH	oklch(83.15% 0.178 123.6)
XYZ	xyz(44.2775, 59.9193, 14.8620)
Luminance	0.5992 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1DA45 #6E45DA

analogous

#DAB945 #B1DA45 #67DA45

triadic

#B1DA45 #45B1DA #DA45B1

tetradic

#B1DA45 #45DAB9 #6E45DA #DA4567

square

#B1DA45 #45DAB9 #6E45DA #DA4567

split-complementary

#B1DA45 #4567DA #B945DA

monochromatic

#6B891B #93BC25 #B1DA45 #C6E478 #DCEEAB

Accessibility & contrast

On white

1.62

#B1DA45 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.98

#B1DA45 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1DA45

12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1DA45	#FFFFFF	#000000	##000000
##B1DA45	1.00	1.62	12.98	12.98
#FFFFFF	1.62	1.00	21.00	21.00
#000000	12.98	21.00	1.00	1.00
##000000	12.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CD2E

Deuteranopia (green-blind)

#E1CB51

Tritanopia (blue-blind)

#B9CFBC

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #b1da45;
/* rgb */ color: rgb(177, 218, 69);
/* oklch */ color: oklch(83.1% 0.178 123.6);

Tailwind

colors: {
  custom: {
    50: '#cce581',
    500: '#b1da45',
    950: '#000000',
  },
}

SCSS

$custom: #b1da45;
$custom-light: #cce581;
$custom-dark: #000000;

JSON

{
  "hex": "#b1da45",
  "rgb": {
    "r": 177,
    "g": 218,
    "b": 69
  },
  "hsl": {
    "h": 76.51,
    "s": 66.816,
    "l": 56.275
  },
  "oklch": {
    "l": 0.83148,
    "c": 0.17753,
    "h": 123.6
  },
  "luminance": 0.5992
}

Semantic roles & 50–950 ramp

primary

#B1DA45

secondary

#4D348F

accent

#3EEA6D

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B1DA45

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

Preview Lab → · Contrast checker → · Palette generator →