#B1E45F#B1E45F

#B1E45F is a very light, vivid yellow-green. Relative luminance 0.657; OKLCH L 85.7% C 0.171 H 127.3°. Best body text is #000000 at 14.13:1 contrast (WCAG AA passes).

Color values

HEX	#B1E45F
RGB	rgb(177, 228, 95)
HSL	hsl(83, 71%, 63%)
HSV	hsv(83, 58%, 89%)
CMYK	cmyk(22.4%, 0%, 58.3%, 10.6%)
CIE-LAB	lab(84.82, -36.57, 58.33)
CIE-LCH	lch(84.82, 68.85, 122.09°)
OKLab	oklab(85.66% -0.1033 0.1357)
OKLCH	oklch(85.66% 0.171 127.3)
XYZ	xyz(47.9403, 65.6594, 20.9720)
Luminance	0.6566 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1E45F #925FE4

analogous

#E4D55F #B1E45F #6EE45F

triadic

#B1E45F #5FB1E4 #E45FB1

tetradic

#B1E45F #5FE4D5 #925FE4 #E45F6E

square

#B1E45F #5FE4D5 #925FE4 #E45F6E

split-complementary

#B1E45F #5F6EE4 #D55FE4

monochromatic

#75AC1D #97DB2B #B1E45F #CBED93 #E4F6C8

Accessibility & contrast

On white

1.49

#B1E45F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.13

#B1E45F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1E45F

14.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1E45F	#FFFFFF	#000000	##000000
##B1E45F	1.00	1.49	14.13	14.13
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.13	21.00	1.00	1.00
##000000	14.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD651

Deuteranopia (green-blind)

#E8D368

Tritanopia (blue-blind)

#B7DAC7

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #b1e45f;
/* rgb */ color: rgb(177, 228, 95);
/* oklch */ color: oklch(85.7% 0.171 127.3);

Tailwind

colors: {
  custom: {
    50: '#cbec91',
    500: '#b1e45f',
    950: '#000000',
  },
}

SCSS

$custom: #b1e45f;
$custom-light: #cbec91;
$custom-dark: #000000;

JSON

{
  "hex": "#b1e45f",
  "rgb": {
    "r": 177,
    "g": 228,
    "b": 95
  },
  "hsl": {
    "h": 83.008,
    "s": 71.123,
    "l": 63.333
  },
  "oklch": {
    "l": 0.85662,
    "c": 0.17053,
    "h": 127.3
  },
  "luminance": 0.6566
}

Semantic roles & 50–950 ramp

primary

#B1E45F

secondary

#663AAD

accent

#12D35C

background

#FEFEFC

surface

#FBFDF4

border

#D4D5CE

text

#14160D

muted

#83847F

Preview Lab

Preview with #B1E45F

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

Preview Lab → · Contrast checker → · Palette generator →