#1B9E45#1B9E45

#1B9E45 is a mid, vivid green. Relative luminance 0.251; OKLCH L 61.3% C 0.167 H 148.3°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#1B9E45
RGB	rgb(27, 158, 69)
HSL	hsl(139, 71%, 36%)
HSV	hsv(139, 83%, 62%)
CMYK	cmyk(82.9%, 0%, 56.3%, 38%)
CIE-LAB	lab(57.19, -52.97, 36.70)
CIE-LCH	lch(57.19, 64.44, 145.28°)
OKLab	oklab(61.33% -0.1422 0.0877)
OKLCH	oklch(61.33% 0.167 148.3)
XYZ	xyz(13.7519, 25.1147, 9.7519)
Luminance	0.2512 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9E45 #9E1B74

analogous

#329E1B #1B9E45 #1B9E87

triadic

#1B9E45 #451B9E #9E451B

tetradic

#1B9E45 #1B329E #9E1B74 #9E871B

square

#1B9E45 #1B329E #9E1B74 #9E871B

split-complementary

#1B9E45 #871B9E #9E1B32

monochromatic

#093517 #126A2E #1B9E45 #24D25C #52E180

Accessibility & contrast

On white

3.49

#1B9E45 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#1B9E45 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9E45

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9E45	#FFFFFF	#000000	##000000
##1B9E45	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A08F3D

Deuteranopia (green-blind)

#91854C

Tritanopia (blue-blind)

#009B8A

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #1b9e45;
/* rgb */ color: rgb(27, 158, 69);
/* oklch */ color: oklch(61.3% 0.167 148.3);

Tailwind

colors: {
  custom: {
    50: '#71bc7b',
    500: '#1b9e45',
    950: '#000000',
  },
}

SCSS

$custom: #1b9e45;
$custom-light: #71bc7b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9e45",
  "rgb": {
    "r": 27,
    "g": 158,
    "b": 69
  },
  "hsl": {
    "h": 139.237,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.61329,
    "c": 0.16709,
    "h": 148.3
  },
  "luminance": 0.25116
}

Semantic roles & 50–950 ramp

primary

#1B9E45

secondary

#C4519F

accent

#3AB4EE

background

#F7FBF7

surface

#EDF6EE

border

#C8D0C9

text

#091209

muted

#7B817B

Preview Lab

Preview with #1B9E45

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

Preview Lab → · Contrast checker → · Palette generator →