#1FBC51#1FBC51

#1FBC51 is a light, vivid green. Relative luminance 0.369; OKLCH L 69.7% C 0.193 H 148.0°. Best body text is #000000 at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#1FBC51
RGB	rgb(31, 188, 81)
HSL	hsl(139, 72%, 43%)
HSV	hsv(139, 84%, 74%)
CMYK	cmyk(83.5%, 0%, 56.9%, 26.3%)
CIE-LAB	lab(67.16, -60.91, 42.83)
CIE-LCH	lch(67.16, 74.46, 144.89°)
OKLab	oklab(69.67% -0.1635 0.102)
OKLCH	oklch(69.67% 0.193 148)
XYZ	xyz(20.0319, 36.8493, 13.8399)
Luminance	0.3685 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1FBC51 #BC1F8A

analogous

#3CBC1F #1FBC51 #1FBC9F

triadic

#1FBC51 #511FBC #BC511F

tetradic

#1FBC51 #1F3CBC #BC1F8A #BC9F1F

square

#1FBC51 #1F3CBC #BC1F8A #BC9F1F

split-complementary

#1FBC51 #9F1FBC #BC1F3C

monochromatic

#0E5324 #16873A #1FBC51 #3ADE6E #6EE795

Accessibility & contrast

On white

2.51

#1FBC51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.37

#1FBC51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #1FBC51

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1FBC51	#FFFFFF	#000000	##000000
##1FBC51	1.00	2.51	8.37	8.37
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.37	21.00	1.00	1.00
##000000	8.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEAB47

Deuteranopia (green-blind)

#AD9F5A

Tritanopia (blue-blind)

#00B8A4

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #1fbc51;
/* rgb */ color: rgb(31, 188, 81);
/* oklch */ color: oklch(69.7% 0.193 148.0);

Tailwind

colors: {
  custom: {
    50: '#79d185',
    500: '#1fbc51',
    950: '#000000',
  },
}

SCSS

$custom: #1fbc51;
$custom-light: #79d185;
$custom-dark: #000000;

JSON

{
  "hex": "#1fbc51",
  "rgb": {
    "r": 31,
    "g": 188,
    "b": 81
  },
  "hsl": {
    "h": 139.108,
    "s": 71.689,
    "l": 42.941
  },
  "oklch": {
    "l": 0.69669,
    "c": 0.19271,
    "h": 148
  },
  "luminance": 0.36852
}

Semantic roles & 50–950 ramp

primary

#1FBC51

secondary

#CD69AE

accent

#39B5EE

background

#F8FDF8

surface

#EFFAEF

border

#CAD3CA

text

#0B140B

muted

#7C837C

Preview Lab

Preview with #1FBC51

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

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