#1B983B#1B983B

#1B983B is a mid, vivid green. Relative luminance 0.230; OKLCH L 59.5% C 0.168 H 146.8°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#1B983B
RGB	rgb(27, 152, 59)
HSL	hsl(135, 70%, 35%)
HSV	hsv(135, 82%, 60%)
CMYK	cmyk(82.2%, 0%, 61.2%, 40.4%)
CIE-LAB	lab(55.08, -52.31, 39.06)
CIE-LCH	lch(55.08, 65.28, 143.25°)
OKLab	oklab(59.54% -0.1406 0.0921)
OKLCH	oklch(59.54% 0.168 146.8)
XYZ	xyz(12.4687, 23.0037, 7.9198)
Luminance	0.2301 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B983B #981B78

analogous

#3A981B #1B983B #1B9879

triadic

#1B983B #3B1B98 #983B1B

tetradic

#1B983B #1B3A98 #981B78 #98791B

square

#1B983B #1B3A98 #981B78 #98791B

split-complementary

#1B983B #791B98 #981B3A

monochromatic

#093013 #126427 #1B983B #24CC4F #4EE073

Accessibility & contrast

On white

3.75

#1B983B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.60

#1B983B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B983B

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B983B	#FFFFFF	#000000	##000000
##1B983B	1.00	3.75	5.60	5.60
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.60	21.00	1.00	1.00
##000000	5.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9A8A31

Deuteranopia (green-blind)

#8C8043

Tritanopia (blue-blind)

#009484

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #1b983b;
/* rgb */ color: rgb(27, 152, 59);
/* oklch */ color: oklch(59.5% 0.168 146.8);

Tailwind

colors: {
  custom: {
    50: '#6fb774',
    500: '#1b983b',
    950: '#000000',
  },
}

SCSS

$custom: #1b983b;
$custom-light: #6fb774;
$custom-dark: #000000;

JSON

{
  "hex": "#1b983b",
  "rgb": {
    "r": 27,
    "g": 152,
    "b": 59
  },
  "hsl": {
    "h": 135.36,
    "s": 69.832,
    "l": 35.098
  },
  "oklch": {
    "l": 0.5954,
    "c": 0.16811,
    "h": 146.8
  },
  "luminance": 0.23005
}

Semantic roles & 50–950 ramp

primary

#1B983B

secondary

#C24DA4

accent

#3BBFED

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091108

muted

#7B807B

Preview Lab

Preview with #1B983B

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

Preview Lab → · Contrast checker → · Palette generator →