#B1EF5C#B1EF5C

#B1EF5C is a very light, vivid yellow-green. Relative luminance 0.719; OKLCH L 88.1% C 0.187 H 129.0°. Best body text is #000000 at 15.37:1 contrast (WCAG AA passes).

Color values

HEX	#B1EF5C
RGB	rgb(177, 239, 92)
HSL	hsl(85, 82%, 65%)
HSV	hsv(85, 62%, 94%)
CMYK	cmyk(25.9%, 0%, 61.5%, 6.3%)
CIE-LAB	lab(87.90, -41.72, 63.02)
CIE-LCH	lch(87.90, 75.57, 123.51°)
OKLab	oklab(88.14% -0.1178 0.1453)
OKLCH	oklch(88.14% 0.187 129)
XYZ	xyz(50.9295, 71.8516, 21.3086)
Luminance	0.7185 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 3.75

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1EF5C #9A5CEF

analogous

#EFE35C #B1EF5C #68EF5C

triadic

#B1EF5C #5CB1EF #EF5CB1

tetradic

#B1EF5C #5CEFE3 #9A5CEF #EF5C68

square

#B1EF5C #5CEFE3 #9A5CEF #EF5C68

split-complementary

#B1EF5C #5C68EF #E35CEF

monochromatic

#76BE13 #96EA24 #B1EF5C #CCF494 #E6FACB

Accessibility & contrast

On white

1.37

#B1EF5C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.37

#B1EF5C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1EF5C

15.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1EF5C	#FFFFFF	#000000	##000000
##B1EF5C	1.00	1.37	15.37	15.37
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.37	21.00	1.00	1.00
##000000	15.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FADF4A

Deuteranopia (green-blind)

#F1DB67

Tritanopia (blue-blind)

#B6E5D0

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #b1ef5c;
/* rgb */ color: rgb(177, 239, 92);
/* oklch */ color: oklch(88.1% 0.187 129.0);

Tailwind

colors: {
  custom: {
    50: '#ccf490',
    500: '#b1ef5c',
    950: '#000000',
  },
}

SCSS

$custom: #b1ef5c;
$custom-light: #ccf490;
$custom-dark: #000000;

JSON

{
  "hex": "#b1ef5c",
  "rgb": {
    "r": 177,
    "g": 239,
    "b": 92
  },
  "hsl": {
    "h": 85.306,
    "s": 82.123,
    "l": 64.902
  },
  "oklch": {
    "l": 0.88144,
    "c": 0.18706,
    "h": 129
  },
  "luminance": 0.71853
}

Semantic roles & 50–950 ramp

primary

#B1EF5C

secondary

#6D33BC

accent

#07DF62

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B1EF5C

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

Preview Lab → · Contrast checker → · Palette generator →