#1F9F57#1F9F57

#1F9F57 is a mid, vivid green. Relative luminance 0.258; OKLCH L 62.0% C 0.151 H 152.6°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#1F9F57
RGB	rgb(31, 159, 87)
HSL	hsl(146, 67%, 37%)
HSV	hsv(146, 81%, 62%)
CMYK	cmyk(80.5%, 0%, 45.3%, 37.6%)
CIE-LAB	lab(57.82, -49.92, 28.25)
CIE-LCH	lch(57.82, 57.36, 150.49°)
OKLab	oklab(61.95% -0.1341 0.0696)
OKLCH	oklch(61.95% 0.151 152.6)
XYZ	xyz(14.6822, 25.7739, 13.2160)
Luminance	0.2578 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9F57 #9F1F67

analogous

#279F1F #1F9F57 #1F9F97

triadic

#1F9F57 #571F9F #9F571F

tetradic

#1F9F57 #1F279F #9F1F67 #9F971F

square

#1F9F57 #1F279F #9F1F67 #9F971F

split-complementary

#1F9F57 #971F9F #9F1F27

monochromatic

#0B391F #156C3B #1F9F57 #29D273 #5ADF94

Accessibility & contrast

On white

3.41

#1F9F57 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#1F9F57 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9F57

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9F57	#FFFFFF	#000000	##000000
##1F9F57	1.00	3.41	6.16	6.16
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.16	21.00	1.00	1.00
##000000	6.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F9152

Deuteranopia (green-blind)

#91875C

Tritanopia (blue-blind)

#009D8E

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #1f9f57;
/* rgb */ color: rgb(31, 159, 87);
/* oklch */ color: oklch(62.0% 0.151 152.6);

Tailwind

colors: {
  custom: {
    50: '#71bc87',
    500: '#1f9f57',
    950: '#000000',
  },
}

SCSS

$custom: #1f9f57;
$custom-light: #71bc87;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9f57",
  "rgb": {
    "r": 31,
    "g": 159,
    "b": 87
  },
  "hsl": {
    "h": 146.25,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.61952,
    "c": 0.15111,
    "h": 152.6
  },
  "luminance": 0.25776
}

Semantic roles & 50–950 ramp

primary

#1F9F57

secondary

#C35794

accent

#3E9FEA

background

#F7FBF8

surface

#EDF7EF

border

#C8D0CA

text

#09120B

muted

#7B817C

Preview Lab

Preview with #1F9F57

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

Preview Lab → · Contrast checker → · Palette generator →