#1B8B30#1B8B30

#1B8B30 is a mid, vivid green. Relative luminance 0.189; OKLCH L 55.8% C 0.161 H 145.5°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#1B8B30
RGB	rgb(27, 139, 48)
HSL	hsl(131, 67%, 33%)
HSV	hsv(131, 81%, 55%)
CMYK	cmyk(80.6%, 0%, 65.5%, 45.5%)
CIE-LAB	lab(50.58, -49.25, 39.08)
CIE-LCH	lch(50.58, 62.87, 141.57°)
OKLab	oklab(55.77% -0.1327 0.0911)
OKLCH	oklch(55.77% 0.161 145.5)
XYZ	xyz(10.2174, 18.9104, 5.9073)
Luminance	0.1891 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8B30 #8B1B76

analogous

#3E8B1B #1B8B30 #1B8B68

triadic

#1B8B30 #301B8B #8B301B

tetradic

#1B8B30 #1B3E8B #8B1B76 #8B681B

square

#1B8B30 #1B3E8B #8B1B76 #8B681B

split-complementary

#1B8B30 #681B8B #8B1B3E

monochromatic

#07250D #11581E #1B8B30 #25BE42 #45DB61

Accessibility & contrast

On white

4.39

#1B8B30 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#1B8B30 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8B30

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8B30	#FFFFFF	#000000	##000000
##1B8B30	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7E25

Deuteranopia (green-blind)

#817538

Tritanopia (blue-blind)

#008778

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1b8b30;
/* rgb */ color: rgb(27, 139, 48);
/* oklch */ color: oklch(55.8% 0.161 145.5);

Tailwind

colors: {
  custom: {
    50: '#6cae6c',
    500: '#1b8b30',
    950: '#000000',
  },
}

SCSS

$custom: #1b8b30;
$custom-light: #6cae6c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8b30",
  "rgb": {
    "r": 27,
    "g": 139,
    "b": 48
  },
  "hsl": {
    "h": 131.25,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.55772,
    "c": 0.16099,
    "h": 145.5
  },
  "luminance": 0.18912
}

Semantic roles & 50–950 ramp

primary

#1B8B30

secondary

#BC45A6

accent

#3DCAEA

background

#F7FAF6

surface

#EDF4EC

border

#C8CEC7

text

#081007

muted

#7B7F7A

Preview Lab

Preview with #1B8B30

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

Preview Lab → · Contrast checker → · Palette generator →