#1B9D57#1B9D57

#1B9D57 is a mid, vivid green. Relative luminance 0.250; OKLCH L 61.3% C 0.149 H 153.2°. Best body text is #000000 at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#1B9D57
RGB	rgb(27, 157, 87)
HSL	hsl(148, 71%, 36%)
HSV	hsv(148, 83%, 62%)
CMYK	cmyk(82.8%, 0%, 44.6%, 38.4%)
CIE-LAB	lab(57.11, -49.64, 27.32)
CIE-LCH	lch(57.11, 56.66, 151.17°)
OKLab	oklab(61.35% -0.1334 0.0674)
OKLCH	oklch(61.35% 0.149 153.2)
XYZ	xyz(14.2279, 25.0333, 13.0970)
Luminance	0.2504 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B9D57 #9D1B61

analogous

#209D1B #1B9D57 #1B9D98

triadic

#1B9D57 #571B9D #9D571B

tetradic

#1B9D57 #1B209D #9D1B61 #9D981B

square

#1B9D57 #1B209D #9D1B61 #9D981B

split-complementary

#1B9D57 #981B9D #9D1B20

monochromatic

#09351D #12693A #1B9D57 #24D174 #51E194

Accessibility & contrast

On white

3.50

#1B9D57 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.01

#1B9D57 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1B9D57

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B9D57	#FFFFFF	#000000	##000000
##1B9D57	1.00	3.50	6.01	6.01
#FFFFFF	3.50	1.00	21.00	21.00
#000000	6.01	21.00	1.00	1.00
##000000	6.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D8F52

Deuteranopia (green-blind)

#8E855C

Tritanopia (blue-blind)

#009B8C

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #1b9d57;
/* rgb */ color: rgb(27, 157, 87);
/* oklch */ color: oklch(61.3% 0.149 153.2);

Tailwind

colors: {
  custom: {
    50: '#70bb87',
    500: '#1b9d57',
    950: '#000000',
  },
}

SCSS

$custom: #1b9d57;
$custom-light: #70bb87;
$custom-dark: #000000;

JSON

{
  "hex": "#1b9d57",
  "rgb": {
    "r": 27,
    "g": 157,
    "b": 87
  },
  "hsl": {
    "h": 147.692,
    "s": 70.652,
    "l": 36.078
  },
  "oklch": {
    "l": 0.61345,
    "c": 0.14943,
    "h": 153.2
  },
  "luminance": 0.25035
}

Semantic roles & 50–950 ramp

primary

#1B9D57

secondary

#C4508E

accent

#3A9BED

background

#F7FBF8

surface

#EDF6EF

border

#C8D0CA

text

#09120B

muted

#7B817C

Preview Lab

Preview with #1B9D57

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

Preview Lab → · Contrast checker → · Palette generator →