#B1EF5F#B1EF5F

#B1EF5F is a very light, vivid yellow-green. Relative luminance 0.719; OKLCH L 88.2% C 0.185 H 129.3°. Best body text is #000000 at 15.38:1 contrast (WCAG AA passes).

Color values

HEX	#B1EF5F
RGB	rgb(177, 239, 95)
HSL	hsl(86, 82%, 65%)
HSV	hsv(86, 60%, 94%)
CMYK	cmyk(25.9%, 0%, 60.3%, 6.3%)
CIE-LAB	lab(87.92, -41.48, 61.80)
CIE-LCH	lch(87.92, 74.42, 123.87°)
OKLab	oklab(88.17% -0.1169 0.143)
OKLCH	oklch(88.17% 0.185 129.3)
XYZ	xyz(51.0632, 71.9051, 22.0130)
Luminance	0.7191 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 3.53

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1EF5F #9D5FEF

analogous

#EFE55F #B1EF5F #69EF5F

triadic

#B1EF5F #5FB1EF #EF5FB1

tetradic

#B1EF5F #5FEFE5 #9D5FEF #EF5F69

square

#B1EF5F #5FEFE5 #9D5FEF #EF5F69

split-complementary

#B1EF5F #5F69EF #E55FEF

monochromatic

#76C013 #96E927 #B1EF5F #CCF597 #E7FACE

Accessibility & contrast

On white

1.37

#B1EF5F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.38

#B1EF5F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1EF5F

15.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1EF5F	#FFFFFF	#000000	##000000
##B1EF5F	1.00	1.37	15.38	15.38
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.38	21.00	1.00	1.00
##000000	15.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FADF4E

Deuteranopia (green-blind)

#F1DB6A

Tritanopia (blue-blind)

#B6E5D0

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #b1ef5f;
/* rgb */ color: rgb(177, 239, 95);
/* oklch */ color: oklch(88.2% 0.185 129.3);

Tailwind

colors: {
  custom: {
    50: '#ccf492',
    500: '#b1ef5f',
    950: '#000000',
  },
}

SCSS

$custom: #b1ef5f;
$custom-light: #ccf492;
$custom-dark: #000000;

JSON

{
  "hex": "#b1ef5f",
  "rgb": {
    "r": 177,
    "g": 239,
    "b": 95
  },
  "hsl": {
    "h": 85.833,
    "s": 81.818,
    "l": 65.49
  },
  "oklch": {
    "l": 0.88173,
    "c": 0.18473,
    "h": 129.3
  },
  "luminance": 0.71906
}

Semantic roles & 50–950 ramp

primary

#B1EF5F

secondary

#6F34BE

accent

#07DE64

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #B1EF5F

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

Preview Lab → · Contrast checker → · Palette generator →