#1B8F37#1B8F37

#1B8F37 is a mid, vivid green. Relative luminance 0.202; OKLCH L 57.0% C 0.160 H 146.6°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#1B8F37
RGB	rgb(27, 143, 55)
HSL	hsl(134, 68%, 33%)
HSV	hsv(134, 81%, 56%)
CMYK	cmyk(81.1%, 0%, 61.5%, 43.9%)
CIE-LAB	lab(52.01, -49.75, 37.42)
CIE-LCH	lch(52.01, 62.25, 143.05°)
OKLab	oklab(56.98% -0.1338 0.0882)
OKLCH	oklch(56.98% 0.16 146.6)
XYZ	xyz(10.9632, 20.1524, 6.9257)
Luminance	0.2015 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8F37 #8F1B73

analogous

#398F1B #1B8F37 #1B8F71

triadic

#1B8F37 #371B8F #8F371B

tetradic

#1B8F37 #1B398F #8F1B73 #8F711B

square

#1B8F37 #1B398F #8F1B73 #8F711B

split-complementary

#1B8F37 #711B8F #8F1B39

monochromatic

#08280F #115C23 #1B8F37 #25C24B #48DC6C

Accessibility & contrast

On white

4.17

#1B8F37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#1B8F37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8F37

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8F37	#FFFFFF	#000000	##000000
##1B8F37	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91812E

Deuteranopia (green-blind)

#84793E

Tritanopia (blue-blind)

#008C7C

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #1b8f37;
/* rgb */ color: rgb(27, 143, 55);
/* oklch */ color: oklch(57.0% 0.160 146.6);

Tailwind

colors: {
  custom: {
    50: '#6db171',
    500: '#1b8f37',
    950: '#000000',
  },
}

SCSS

$custom: #1b8f37;
$custom-light: #6db171;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8f37",
  "rgb": {
    "r": 27,
    "g": 143,
    "b": 55
  },
  "hsl": {
    "h": 134.483,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.5698,
    "c": 0.1603,
    "h": 146.6
  },
  "luminance": 0.20154
}

Semantic roles & 50–950 ramp

primary

#1B8F37

secondary

#BE48A2

accent

#3DC1EB

background

#F7FBF6

surface

#EDF6EC

border

#C8D0C7

text

#081108

muted

#7B807B

Preview Lab

Preview with #1B8F37

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

Preview Lab → · Contrast checker → · Palette generator →