#1B8331#1B8331

#1B8331 is a mid, vivid green. Relative luminance 0.167; OKLCH L 53.5% C 0.150 H 146.2°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#1B8331
RGB	rgb(27, 131, 49)
HSL	hsl(133, 66%, 31%)
HSV	hsv(133, 79%, 51%)
CMYK	cmyk(79.4%, 0%, 62.6%, 48.6%)
CIE-LAB	lab(47.86, -46.35, 35.53)
CIE-LCH	lch(47.86, 58.40, 142.53°)
OKLab	oklab(53.52% -0.1248 0.0836)
OKLCH	oklch(53.52% 0.15 146.2)
XYZ	xyz(9.1220, 16.6863, 5.6452)
Luminance	0.1669 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8331 #831B6D

analogous

#39831B #1B8331 #1B8365

triadic

#1B8331 #311B83 #83311B

tetradic

#1B8331 #1B3983 #831B6D #83651B

square

#1B8331 #1B3983 #831B6D #83651B

split-complementary

#1B8331 #651B83 #831B39

monochromatic

#061E0B #11501E #1B8331 #25B644 #41D861

Accessibility & contrast

On white

4.84

#1B8331 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#1B8331 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B8331

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8331	#FFFFFF	#000000	##FFFFFF
##1B8331	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857628

Deuteranopia (green-blind)

#796E38

Tritanopia (blue-blind)

#008071

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #1b8331;
/* rgb */ color: rgb(27, 131, 49);
/* oklch */ color: oklch(53.5% 0.150 146.2);

Tailwind

colors: {
  custom: {
    50: '#6aa86c',
    500: '#1b8331',
    950: '#000000',
  },
}

SCSS

$custom: #1b8331;
$custom-light: #6aa86c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8331",
  "rgb": {
    "r": 27,
    "g": 131,
    "b": 49
  },
  "hsl": {
    "h": 132.692,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.53518,
    "c": 0.15022,
    "h": 146.2
  },
  "luminance": 0.16687
}

Semantic roles & 50–950 ramp

primary

#1B8331

secondary

#B6439E

accent

#3FC5E9

background

#F6FAF6

surface

#ECF4EB

border

#C7CEC6

text

#081007

muted

#7A7F7A

Preview Lab

Preview with #1B8331

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

Preview Lab → · Contrast checker → · Palette generator →