#1B9537#1B9537

#1B9537 is a mid, vivid green. Relative luminance 0.220; OKLCH L 58.7% C 0.168 H 146.2°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#1B9537
RGB	rgb(27, 149, 55)
HSL	hsl(134, 69%, 35%)
HSV	hsv(134, 82%, 58%)
CMYK	cmyk(81.9%, 0%, 63.1%, 41.6%)
CIE-LAB	lab(54.03, -51.80, 39.74)
CIE-LCH	lch(54.03, 65.29, 142.51°)
OKLab	oklab(58.66% -0.1394 0.0932)
OKLCH	oklch(58.66% 0.168 146.2)
XYZ	xyz(11.8881, 22.0023, 7.2340)
Luminance	0.2200 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9537 #951B79

analogous

#3C951B #1B9537 #1B9574

triadic

#1B9537 #371B95 #95371B

tetradic

#1B9537 #1B3C95 #951B79 #95741B

square

#1B9537 #1B3C95 #951B79 #95741B

split-complementary

#1B9537 #741B95 #951B3C

monochromatic

#082D11 #126124 #1B9537 #24C94A #4CDF6E

Accessibility & contrast

On white

3.89

#1B9537 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#1B9537 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9537

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9537	#FFFFFF	#000000	##000000
##1B9537	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97872C

Deuteranopia (green-blind)

#8A7E3F

Tritanopia (blue-blind)

#009181

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #1b9537;
/* rgb */ color: rgb(27, 149, 55);
/* oklch */ color: oklch(58.7% 0.168 146.2);

Tailwind

colors: {
  custom: {
    50: '#6fb571',
    500: '#1b9537',
    950: '#000000',
  },
}

SCSS

$custom: #1b9537;
$custom-light: #6fb571;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9537",
  "rgb": {
    "r": 27,
    "g": 149,
    "b": 55
  },
  "hsl": {
    "h": 133.77,
    "s": 69.318,
    "l": 34.51
  },
  "oklch": {
    "l": 0.58657,
    "c": 0.16768,
    "h": 146.2
  },
  "luminance": 0.22004
}

Semantic roles & 50–950 ramp

primary

#1B9537

secondary

#C14BA6

accent

#3CC4EC

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091108

muted

#7B807B

Preview Lab

Preview with #1B9537

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

Preview Lab → · Contrast checker → · Palette generator →