#B1D54D#B1D54D

#B1D54D is a very light, vivid yellow-green. Relative luminance 0.575; OKLCH L 82.1% C 0.166 H 122.8°. Best body text is #000000 at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#B1D54D
RGB	rgb(177, 213, 77)
HSL	hsl(76, 62%, 57%)
HSV	hsv(76, 64%, 84%)
CMYK	cmyk(16.9%, 0%, 63.8%, 16.5%)
CIE-LAB	lab(80.44, -31.08, 61.11)
CIE-LCH	lch(80.44, 68.56, 116.96°)
OKLab	oklab(82.08% -0.0897 0.1394)
OKLCH	oklch(82.08% 0.166 122.8)
XYZ	xyz(43.2657, 57.4713, 15.8335)
Luminance	0.5747 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1D54D #714DD5

analogous

#D5B54D #B1D54D #6DD54D

triadic

#B1D54D #4DB1D5 #D54DB1

tetradic

#B1D54D #4DD5B5 #714DD5 #D54D6D

square

#B1D54D #4DD5B5 #714DD5 #D54D6D

split-complementary

#B1D54D #4D6DD5 #B54DD5

monochromatic

#6C8820 #94B92C #B1D54D #C7E17F #DCECB0

Accessibility & contrast

On white

1.68

#B1D54D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.49

#B1D54D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1D54D

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1D54D	#FFFFFF	#000000	##000000
##B1D54D	1.00	1.68	12.49	12.49
#FFFFFF	1.68	1.00	21.00	21.00
#000000	12.49	21.00	1.00	1.00
##000000	12.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C93B

Deuteranopia (green-blind)

#DCC757

Tritanopia (blue-blind)

#B9CBB9

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #b1d54d;
/* rgb */ color: rgb(177, 213, 77);
/* oklch */ color: oklch(82.1% 0.166 122.8);

Tailwind

colors: {
  custom: {
    50: '#cbe285',
    500: '#b1d54d',
    950: '#000000',
  },
}

SCSS

$custom: #b1d54d;
$custom-light: #cbe285;
$custom-dark: #000000;

JSON

{
  "hex": "#b1d54d",
  "rgb": {
    "r": 177,
    "g": 213,
    "b": 77
  },
  "hsl": {
    "h": 75.882,
    "s": 61.818,
    "l": 56.863
  },
  "oklch": {
    "l": 0.82077,
    "c": 0.1658,
    "h": 122.8
  },
  "luminance": 0.57471
}

Semantic roles & 50–950 ramp

primary

#B1D54D

secondary

#4F388E

accent

#43E56E

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#14150B

muted

#83847E

Preview Lab

Preview with #B1D54D

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

Preview Lab → · Contrast checker → · Palette generator →