#1B9E1F#1B9E1F

#1B9E1F is a mid, vivid green. Relative luminance 0.248; OKLCH L 61.0% C 0.193 H 143.0°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#1B9E1F
RGB	rgb(27, 158, 31)
HSL	hsl(122, 71%, 36%)
HSV	hsv(122, 83%, 62%)
CMYK	cmyk(82.9%, 0%, 80.4%, 38%)
CIE-LAB	lab(56.86, -56.95, 52.15)
CIE-LCH	lch(56.86, 77.22, 137.52°)
OKLab	oklab(60.96% -0.1544 0.1163)
OKLCH	oklch(60.96% 0.193 143)
XYZ	xyz(12.9253, 24.7841, 5.3987)
Luminance	0.2479 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9E1F #9E1B9A

analogous

#599E1B #1B9E1F #1B9E61

triadic

#1B9E1F #1F1B9E #9E1F1B

tetradic

#1B9E1F #1B599E #9E1B9A #9E611B

square

#1B9E1F #1B599E #9E1B9A #9E611B

split-complementary

#1B9E1F #611B9E #9E1B59

monochromatic

#09350A #126A15 #1B9E1F #24D229 #52E156

Accessibility & contrast

On white

3.53

#1B9E1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#1B9E1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9E1F

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9E1F	#FFFFFF	#000000	##000000
##1B9E1F	1.00	3.53	5.96	5.96
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A18E00

Deuteranopia (green-blind)

#94852E

Tritanopia (blue-blind)

#009987

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #1b9e1f;
/* rgb */ color: rgb(27, 158, 31);
/* oklch */ color: oklch(61.0% 0.193 143.0);

Tailwind

colors: {
  custom: {
    50: '#72bc66',
    500: '#1b9e1f',
    950: '#000000',
  },
}

SCSS

$custom: #1b9e1f;
$custom-light: #72bc66;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9e1f",
  "rgb": {
    "r": 27,
    "g": 158,
    "b": 31
  },
  "hsl": {
    "h": 121.832,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.60957,
    "c": 0.19333,
    "h": 143
  },
  "luminance": 0.24786
}

Semantic roles & 50–950 ramp

primary

#1B9E1F

secondary

#C451C1

accent

#3AE8EE

background

#F7FBF6

surface

#EEF6EB

border

#C9D0C6

text

#0A1206

muted

#7C817A

Preview Lab

Preview with #1B9E1F

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

Preview Lab → · Contrast checker → · Palette generator →