#1B8310#1B8310

#1B8310 is a mid, vivid green. Relative luminance 0.165; OKLCH L 53.2% C 0.171 H 141.9°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#1B8310
RGB	rgb(27, 131, 16)
HSL	hsl(114, 78%, 29%)
HSV	hsv(114, 88%, 51%)
CMYK	cmyk(79.4%, 0%, 87.8%, 48.6%)
CIE-LAB	lab(47.63, -49.25, 47.86)
CIE-LCH	lch(47.63, 68.67, 135.82°)
OKLab	oklab(53.25% -0.1341 0.1053)
OKLCH	oklch(53.25% 0.171 141.9)
XYZ	xyz(8.6613, 16.5020, 3.2188)
Luminance	0.1650 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8310 #781083

analogous

#558310 #1B8310 #10833F

triadic

#1B8310 #101B83 #83101B

tetradic

#1B8310 #105583 #781083 #833F10

square

#1B8310 #105583 #781083 #833F10

split-complementary

#1B8310 #3F1083 #831055

monochromatic

#061B03 #104C09 #1B8310 #26BA17 #3BE529

Accessibility & contrast

On white

4.88

#1B8310 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#1B8310 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B8310

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8310	#FFFFFF	#000000	##FFFFFF
##1B8310	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#867600

Deuteranopia (green-blind)

#7B6E20

Tritanopia (blue-blind)

#007F6F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #1b8310;
/* rgb */ color: rgb(27, 131, 16);
/* oklch */ color: oklch(53.2% 0.171 141.9);

Tailwind

colors: {
  custom: {
    50: '#6ca85b',
    500: '#1b8310',
    950: '#000000',
  },
}

SCSS

$custom: #1b8310;
$custom-light: #6ca85b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8310",
  "rgb": {
    "r": 27,
    "g": 131,
    "b": 16
  },
  "hsl": {
    "h": 114.261,
    "s": 78.231,
    "l": 28.824
  },
  "oklch": {
    "l": 0.53246,
    "c": 0.17051,
    "h": 141.9
  },
  "luminance": 0.16503
}

Semantic roles & 50–950 ramp

primary

#1B8310

secondary

#AC36B9

accent

#33F5E2

background

#F7FAF5

surface

#EDF4E9

border

#C8CEC5

text

#081004

muted

#7B7F79

Preview Lab

Preview with #1B8310

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

Preview Lab → · Contrast checker → · Palette generator →