#1B8B23#1B8B23

#1B8B23 is a mid, vivid green. Relative luminance 0.188; OKLCH L 55.6% C 0.170 H 143.6°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#1B8B23
RGB	rgb(27, 139, 35)
HSL	hsl(124, 67%, 33%)
HSV	hsv(124, 81%, 55%)
CMYK	cmyk(80.6%, 0%, 74.8%, 45.5%)
CIE-LAB	lab(50.47, -50.58, 44.47)
CIE-LCH	lch(50.47, 67.35, 138.68°)
OKLab	oklab(55.65% -0.1369 0.1009)
OKLCH	oklch(55.65% 0.17 143.6)
XYZ	xyz(9.9873, 18.8184, 4.6957)
Luminance	0.1882 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8B23 #8B1B83

analogous

#4B8B1B #1B8B23 #1B8B5B

triadic

#1B8B23 #231B8B #8B231B

tetradic

#1B8B23 #1B4B8B #8B1B83 #8B5B1B

square

#1B8B23 #1B4B8B #8B1B83 #8B5B1B

split-complementary

#1B8B23 #5B1B8B #8B1B4B

monochromatic

#072509 #115816 #1B8B23 #25BE30 #45DB50

Accessibility & contrast

On white

4.41

#1B8B23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#1B8B23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8B23

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8B23	#FFFFFF	#000000	##000000
##1B8B23	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D10

Deuteranopia (green-blind)

#82752E

Tritanopia (blue-blind)

#008777

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1b8b23;
/* rgb */ color: rgb(27, 139, 35);
/* oklch */ color: oklch(55.6% 0.170 143.6);

Tailwind

colors: {
  custom: {
    50: '#6dae65',
    500: '#1b8b23',
    950: '#000000',
  },
}

SCSS

$custom: #1b8b23;
$custom-light: #6dae65;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8b23",
  "rgb": {
    "r": 27,
    "g": 139,
    "b": 35
  },
  "hsl": {
    "h": 124.286,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.55647,
    "c": 0.17007,
    "h": 143.6
  },
  "luminance": 0.1882
}

Semantic roles & 50–950 ramp

primary

#1B8B23

secondary

#BC45B4

accent

#3DDEEA

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081006

muted

#7B7F7A

Preview Lab

Preview with #1B8B23

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

Preview Lab → · Contrast checker → · Palette generator →