#1F9E5B#1F9E5B

#1F9E5B is a mid, vivid green. Relative luminance 0.255; OKLCH L 61.8% C 0.146 H 154.0°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#1F9E5B
RGB	rgb(31, 158, 91)
HSL	hsl(148, 67%, 37%)
HSV	hsv(148, 80%, 62%)
CMYK	cmyk(80.4%, 0%, 42.4%, 38%)
CIE-LAB	lab(57.56, -48.80, 25.77)
CIE-LCH	lch(57.56, 55.19, 152.16°)
OKLab	oklab(61.76% -0.1313 0.0639)
OKLCH	oklch(61.76% 0.146 154)
XYZ	xyz(14.6789, 25.4986, 14.0436)
Luminance	0.2550 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9E5B #9E1F62

analogous

#239E1F #1F9E5B #1F9E9A

triadic

#1F9E5B #5B1F9E #9E5B1F

tetradic

#1F9E5B #1F239E #9E1F62 #9E9A1F

square

#1F9E5B #1F239E #9E1F62 #9E9A1F

split-complementary

#1F9E5B #9A1F9E #9E1F23

monochromatic

#0B3820 #156B3E #1F9E5B #29D178 #59DE98

Accessibility & contrast

On white

3.44

#1F9E5B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#1F9E5B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9E5B

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9E5B	#FFFFFF	#000000	##000000
##1F9E5B	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9E9056

Deuteranopia (green-blind)

#8F8660

Tritanopia (blue-blind)

#009C8D

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #1f9e5b;
/* rgb */ color: rgb(31, 158, 91);
/* oklch */ color: oklch(61.8% 0.146 154.0);

Tailwind

colors: {
  custom: {
    50: '#71bc8a',
    500: '#1f9e5b',
    950: '#000000',
  },
}

SCSS

$custom: #1f9e5b;
$custom-light: #71bc8a;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9e5b",
  "rgb": {
    "r": 31,
    "g": 158,
    "b": 91
  },
  "hsl": {
    "h": 148.346,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.61755,
    "c": 0.14603,
    "h": 154
  },
  "luminance": 0.255
}

Semantic roles & 50–950 ramp

primary

#1F9E5B

secondary

#C2568F

accent

#3E99EA

background

#F7FBF8

surface

#EDF6F0

border

#C8D0CB

text

#09120C

muted

#7B817D

Preview Lab

Preview with #1F9E5B

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

Preview Lab → · Contrast checker → · Palette generator →