#1B9D5B#1B9D5B

#1B9D5B is a mid, vivid green. Relative luminance 0.251; OKLCH L 61.4% C 0.146 H 154.5°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#1B9D5B
RGB	rgb(27, 157, 91)
HSL	hsl(150, 71%, 36%)
HSV	hsv(150, 83%, 62%)
CMYK	cmyk(82.8%, 0%, 42%, 38.4%)
CIE-LAB	lab(57.17, -48.88, 25.26)
CIE-LCH	lch(57.17, 55.02, 152.67°)
OKLab	oklab(61.42% -0.1315 0.0627)
OKLCH	oklch(61.42% 0.146 154.5)
XYZ	xyz(14.3959, 25.1005, 13.9817)
Luminance	0.2510 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9D5B #9D1B5D

analogous

#1C9D1B #1B9D5B #1B9D9C

triadic

#1B9D5B #5B1B9D #9D5B1B

tetradic

#1B9D5B #1B1C9D #9D1B5D #9D9C1B

square

#1B9D5B #1B1C9D #9D1B5D #9D9C1B

split-complementary

#1B9D5B #9C1B9D #9D1B1C

monochromatic

#09351E #12693D #1B9D5B #24D179 #51E198

Accessibility & contrast

On white

3.49

#1B9D5B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#1B9D5B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9D5B

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9D5B	#FFFFFF	#000000	##000000
##1B9D5B	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)

#9D8F56

Deuteranopia (green-blind)

#8E8560

Tritanopia (blue-blind)

#009B8D

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #1b9d5b;
/* rgb */ color: rgb(27, 157, 91);
/* oklch */ color: oklch(61.4% 0.146 154.5);

Tailwind

colors: {
  custom: {
    50: '#70bb8a',
    500: '#1b9d5b',
    950: '#000000',
  },
}

SCSS

$custom: #1b9d5b;
$custom-light: #70bb8a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9d5b",
  "rgb": {
    "r": 27,
    "g": 157,
    "b": 91
  },
  "hsl": {
    "h": 149.538,
    "s": 70.652,
    "l": 36.078
  },
  "oklch": {
    "l": 0.61421,
    "c": 0.14567,
    "h": 154.5
  },
  "luminance": 0.25102
}

Semantic roles & 50–950 ramp

primary

#1B9D5B

secondary

#C4508B

accent

#3A95ED

background

#F7FBF8

surface

#EDF6F0

border

#C8D0CB

text

#09120C

muted

#7B817D

Preview Lab

Preview with #1B9D5B

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

Preview Lab → · Contrast checker → · Palette generator →