#1F9E40#1F9E40

#1F9E40 is a mid, vivid green. Relative luminance 0.251; OKLCH L 61.3% C 0.170 H 147.1°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#1F9E40
RGB	rgb(31, 158, 64)
HSL	hsl(136, 67%, 37%)
HSV	hsv(136, 80%, 62%)
CMYK	cmyk(80.4%, 0%, 59.5%, 38%)
CIE-LAB	lab(57.19, -53.19, 39.15)
CIE-LCH	lch(57.19, 66.04, 143.65°)
OKLab	oklab(61.33% -0.143 0.0927)
OKLCH	oklch(61.33% 0.17 147.1)
XYZ	xyz(13.7163, 25.1135, 8.9740)
Luminance	0.2511 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9E40 #9E1F7D

analogous

#3D9E1F #1F9E40 #1F9E80

triadic

#1F9E40 #401F9E #9E401F

tetradic

#1F9E40 #1F3D9E #9E1F7D #9E801F

square

#1F9E40 #1F3D9E #9E1F7D #9E801F

split-complementary

#1F9E40 #801F9E #9E1F3D

monochromatic

#0B3817 #156B2B #1F9E40 #29D155 #59DE7C

Accessibility & contrast

On white

3.49

#1F9E40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#1F9E40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9E40

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9E40	#FFFFFF	#000000	##000000
##1F9E40	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)

#A08F36

Deuteranopia (green-blind)

#928548

Tritanopia (blue-blind)

#009A89

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #1f9e40;
/* rgb */ color: rgb(31, 158, 64);
/* oklch */ color: oklch(61.3% 0.170 147.1);

Tailwind

colors: {
  custom: {
    50: '#72bc78',
    500: '#1f9e40',
    950: '#000000',
  },
}

SCSS

$custom: #1f9e40;
$custom-light: #72bc78;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9e40",
  "rgb": {
    "r": 31,
    "g": 158,
    "b": 64
  },
  "hsl": {
    "h": 135.591,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.61326,
    "c": 0.17044,
    "h": 147.1
  },
  "luminance": 0.25115
}

Semantic roles & 50–950 ramp

primary

#1F9E40

secondary

#C256A6

accent

#3EBDEA

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091209

muted

#7B817B

Preview Lab

Preview with #1F9E40

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

Preview Lab → · Contrast checker → · Palette generator →