#1B8B37#1B8B37

#1B8B37 is a mid, vivid green. Relative luminance 0.190; OKLCH L 55.9% C 0.155 H 146.9°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#1B8B37
RGB	rgb(27, 139, 55)
HSL	hsl(135, 67%, 33%)
HSV	hsv(135, 81%, 55%)
CMYK	cmyk(80.6%, 0%, 60.4%, 45.5%)
CIE-LAB	lab(50.66, -48.36, 35.85)
CIE-LCH	lch(50.66, 60.20, 143.45°)
OKLab	oklab(55.86% -0.1301 0.0848)
OKLCH	oklch(55.86% 0.155 146.9)
XYZ	xyz(10.3734, 18.9728, 6.7291)
Luminance	0.1897 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8B37 #8B1B6F

analogous

#378B1B #1B8B37 #1B8B6F

triadic

#1B8B37 #371B8B #8B371B

tetradic

#1B8B37 #1B378B #8B1B6F #8B6F1B

square

#1B8B37 #1B378B #8B1B6F #8B6F1B

split-complementary

#1B8B37 #6F1B8B #8B1B37

monochromatic

#07250E #115823 #1B8B37 #25BE4B #45DB6B

Accessibility & contrast

On white

4.38

#1B8B37 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#1B8B37 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8B37

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8B37	#FFFFFF	#000000	##000000
##1B8B37	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7E2E

Deuteranopia (green-blind)

#80753E

Tritanopia (blue-blind)

#008879

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #1b8b37;
/* rgb */ color: rgb(27, 139, 55);
/* oklch */ color: oklch(55.9% 0.155 146.9);

Tailwind

colors: {
  custom: {
    50: '#6cae71',
    500: '#1b8b37',
    950: '#000000',
  },
}

SCSS

$custom: #1b8b37;
$custom-light: #6cae71;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8b37",
  "rgb": {
    "r": 27,
    "g": 139,
    "b": 55
  },
  "hsl": {
    "h": 135,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.55856,
    "c": 0.15529,
    "h": 146.9
  },
  "luminance": 0.18974
}

Semantic roles & 50–950 ramp

primary

#1B8B37

secondary

#BC459F

accent

#3DBFEA

background

#F7FAF6

surface

#EDF4EC

border

#C8CEC7

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #1B8B37

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

Preview Lab → · Contrast checker → · Palette generator →