#1B8A21#1B8A21

#1B8A21 is a mid, vivid green. Relative luminance 0.185; OKLCH L 55.3% C 0.170 H 143.4°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#1B8A21
RGB	rgb(27, 138, 33)
HSL	hsl(123, 67%, 32%)
HSV	hsv(123, 80%, 54%)
CMYK	cmyk(80.4%, 0%, 76.1%, 45.9%)
CIE-LAB	lab(50.12, -50.42, 44.87)
CIE-LCH	lch(50.12, 67.50, 138.33°)
OKLab	oklab(55.35% -0.1366 0.1014)
OKLCH	oklch(55.35% 0.17 143.4)
XYZ	xyz(9.8143, 18.5186, 4.4958)
Luminance	0.1852 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8A21 #8A1B84

analogous

#4D8A1B #1B8A21 #1B8A58

triadic

#1B8A21 #211B8A #8A211B

tetradic

#1B8A21 #1B4D8A #8A1B84 #8A581B

square

#1B8A21 #1B4D8A #8A1B84 #8A581B

split-complementary

#1B8A21 #581B8A #8A1B4D

monochromatic

#072409 #115715 #1B8A21 #25BD2D #45DB4D

Accessibility & contrast

On white

4.46

#1B8A21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#1B8A21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8A21

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8A21	#FFFFFF	#000000	##000000
##1B8A21	1.00	4.46	4.70	4.70
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7C0C

Deuteranopia (green-blind)

#81742C

Tritanopia (blue-blind)

#008676

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #1b8a21;
/* rgb */ color: rgb(27, 138, 33);
/* oklch */ color: oklch(55.3% 0.170 143.4);

Tailwind

colors: {
  custom: {
    50: '#6dad64',
    500: '#1b8a21',
    950: '#000000',
  },
}

SCSS

$custom: #1b8a21;
$custom-light: #6dad64;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8a21",
  "rgb": {
    "r": 27,
    "g": 138,
    "b": 33
  },
  "hsl": {
    "h": 123.243,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.55348,
    "c": 0.17013,
    "h": 143.4
  },
  "luminance": 0.1852
}

Semantic roles & 50–950 ramp

primary

#1B8A21

secondary

#BC45B6

accent

#3EE1EA

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081006

muted

#7B7F7A

Preview Lab

Preview with #1B8A21

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

Preview Lab → · Contrast checker → · Palette generator →