#1B8B28#1B8B28

#1B8B28 is a mid, vivid green. Relative luminance 0.189; OKLCH L 55.7% C 0.167 H 144.3°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#1B8B28
RGB	rgb(27, 139, 40)
HSL	hsl(127, 67%, 33%)
HSV	hsv(127, 81%, 55%)
CMYK	cmyk(80.6%, 0%, 71.2%, 45.5%)
CIE-LAB	lab(50.51, -50.12, 42.51)
CIE-LCH	lch(50.51, 65.72, 139.70°)
OKLab	oklab(55.69% -0.1354 0.0974)
OKLCH	oklch(55.69% 0.167 144.3)
XYZ	xyz(10.0669, 18.8502, 5.1150)
Luminance	0.1885 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8B28 #8B1B7E

analogous

#468B1B #1B8B28 #1B8B60

triadic

#1B8B28 #281B8B #8B281B

tetradic

#1B8B28 #1B468B #8B1B7E #8B601B

square

#1B8B28 #1B468B #8B1B7E #8B601B

split-complementary

#1B8B28 #601B8B #8B1B46

monochromatic

#07250B #115819 #1B8B28 #25BE37 #45DB57

Accessibility & contrast

On white

4.40

#1B8B28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#1B8B28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B8B28

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8B28	#FFFFFF	#000000	##000000
##1B8B28	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D19

Deuteranopia (green-blind)

#827532

Tritanopia (blue-blind)

#008777

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1b8b28;
/* rgb */ color: rgb(27, 139, 40);
/* oklch */ color: oklch(55.7% 0.167 144.3);

Tailwind

colors: {
  custom: {
    50: '#6dae68',
    500: '#1b8b28',
    950: '#000000',
  },
}

SCSS

$custom: #1b8b28;
$custom-light: #6dae68;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8b28",
  "rgb": {
    "r": 27,
    "g": 139,
    "b": 40
  },
  "hsl": {
    "h": 126.964,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.55691,
    "c": 0.16683,
    "h": 144.3
  },
  "luminance": 0.18851
}

Semantic roles & 50–950 ramp

primary

#1B8B28

secondary

#BC45AF

accent

#3DD6EA

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081006

muted

#7B7F7A

Preview Lab

Preview with #1B8B28

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

Preview Lab → · Contrast checker → · Palette generator →