#B1F570#B1F570

#B1F570 is a very light, vivid yellow-green. Relative luminance 0.758; OKLCH L 89.7% C 0.178 H 131.6°. Best body text is #000000 at 16.16:1 contrast (WCAG AA passes).

Color values

HEX	#B1F570
RGB	rgb(177, 245, 112)
HSL	hsl(91, 87%, 70%)
HSV	hsv(91, 54%, 96%)
CMYK	cmyk(27.8%, 0%, 54.3%, 3.9%)
CIE-LAB	lab(89.78, -42.56, 56.52)
CIE-LCH	lch(89.78, 70.75, 126.98°)
OKLab	oklab(89.73% -0.1186 0.1334)
OKLCH	oklch(89.73% 0.178 131.6)
XYZ	xyz(53.7078, 75.8202, 27.1312)
Luminance	0.7582 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1F570 #B470F5

analogous

#F3F570 #B1F570 #70F572

triadic

#B1F570 #70B1F5 #F570B1

tetradic

#B1F570 #70F3F5 #B470F5 #F57270

square

#B1F570 #70F3F5 #B470F5 #F57270

split-complementary

#B1F570 #7270F5 #F570F3

monochromatic

#73DB0F #92F137 #B1F570 #D0F9A9 #EFFDE2

Accessibility & contrast

On white

1.30

#B1F570 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.16

#B1F570 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #B1F570

16.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1F570	#FFFFFF	#000000	##000000
##B1F570	1.00	1.30	16.16	16.16
#FFFFFF	1.30	1.00	21.00	21.00
#000000	16.16	21.00	1.00	1.00
##000000	16.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE563

Deuteranopia (green-blind)

#F5E079

Tritanopia (blue-blind)

#B3ECD7

Achromatopsia (no color)

#E2E2E2

Design tokens & code

CSS

--color: #b1f570;
/* rgb */ color: rgb(177, 245, 112);
/* oklch */ color: oklch(89.7% 0.178 131.6);

Tailwind

colors: {
  custom: {
    50: '#cbf99c',
    500: '#b1f570',
    950: '#000000',
  },
}

SCSS

$custom: #b1f570;
$custom-light: #cbf99c;
$custom-dark: #000000;

JSON

{
  "hex": "#b1f570",
  "rgb": {
    "r": 177,
    "g": 245,
    "b": 112
  },
  "hsl": {
    "h": 90.677,
    "s": 86.928,
    "l": 70
  },
  "oklch": {
    "l": 0.89728,
    "c": 0.17845,
    "h": 131.6
  },
  "luminance": 0.75822
}

Semantic roles & 50–950 ramp

primary

#B1F570

secondary

#863ACF

accent

#02E375

background

#FEFFFC

surface

#FBFFF5

border

#D4D7CF

text

#14170E

muted

#83857F

Preview Lab

Preview with #B1F570

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

Preview Lab → · Contrast checker → · Palette generator →