#1F9840#1F9840

#1F9840 is a mid, vivid green. Relative luminance 0.231; OKLCH L 59.7% C 0.163 H 147.5°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#1F9840
RGB	rgb(31, 152, 64)
HSL	hsl(136, 66%, 36%)
HSV	hsv(136, 80%, 60%)
CMYK	cmyk(79.6%, 0%, 57.9%, 40.4%)
CIE-LAB	lab(55.19, -51.13, 36.80)
CIE-LCH	lch(55.19, 62.99, 144.26°)
OKLab	oklab(59.67% -0.1374 0.0876)
OKLCH	oklch(59.67% 0.163 147.5)
XYZ	xyz(12.7177, 23.1164, 8.6411)
Luminance	0.2312 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9840 #981F77

analogous

#3A981F #1F9840 #1F987C

triadic

#1F9840 #401F98 #98401F

tetradic

#1F9840 #1F3A98 #981F77 #987C1F

square

#1F9840 #1F3A98 #981F77 #987C1F

split-complementary

#1F9840 #7C1F98 #981F3A

monochromatic

#0A3215 #15652B #1F9840 #29CB55 #55DC7A

Accessibility & contrast

On white

3.73

#1F9840 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.62

#1F9840 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9840

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9840	#FFFFFF	#000000	##000000
##1F9840	1.00	3.73	5.62	5.62
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.62	21.00	1.00	1.00
##000000	5.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9A8A37

Deuteranopia (green-blind)

#8C8047

Tritanopia (blue-blind)

#009585

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #1f9840;
/* rgb */ color: rgb(31, 152, 64);
/* oklch */ color: oklch(59.7% 0.163 147.5);

Tailwind

colors: {
  custom: {
    50: '#70b777',
    500: '#1f9840',
    950: '#000000',
  },
}

SCSS

$custom: #1f9840;
$custom-light: #70b777;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9840",
  "rgb": {
    "r": 31,
    "g": 152,
    "b": 64
  },
  "hsl": {
    "h": 136.364,
    "s": 66.12,
    "l": 35.882
  },
  "oklch": {
    "l": 0.59672,
    "c": 0.16298,
    "h": 147.5
  },
  "luminance": 0.23118
}

Semantic roles & 50–950 ramp

primary

#1F9840

secondary

#C053A2

accent

#3FBBE9

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091109

muted

#7B807B

Preview Lab

Preview with #1F9840

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

Preview Lab → · Contrast checker → · Palette generator →