#258C40#258C40

#258C40 is a mid, vivid green. Relative luminance 0.195; OKLCH L 56.5% C 0.146 H 148.0°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#258C40
RGB	rgb(37, 140, 64)
HSL	hsl(136, 58%, 35%)
HSV	hsv(136, 74%, 55%)
CMYK	cmyk(73.6%, 0%, 54.3%, 45.1%)
CIE-LAB	lab(51.29, -45.89, 32.13)
CIE-LCH	lch(51.29, 56.02, 145.00°)
OKLab	oklab(56.47% -0.1235 0.0773)
OKLCH	oklch(56.47% 0.146 148)
XYZ	xyz(11.0656, 19.5184, 8.0337)
Luminance	0.1952 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258C40 #8C2571

analogous

#3E8C25 #258C40 #258C74

triadic

#258C40 #40258C #8C4025

tetradic

#258C40 #253E8C #8C2571 #8C7425

square

#258C40 #253E8C #8C2571 #8C7425

split-complementary

#258C40 #74258C #8C253E

monochromatic

#0B2B14 #185C2A #258C40 #32BC56 #58D379

Accessibility & contrast

On white

4.28

#258C40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#258C40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258C40

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258C40	#FFFFFF	#000000	##000000
##258C40	1.00	4.28	4.90	4.90
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7F39

Deuteranopia (green-blind)

#817746

Tritanopia (blue-blind)

#00897B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #258c40;
/* rgb */ color: rgb(37, 140, 64);
/* oklch */ color: oklch(56.5% 0.146 148.0);

Tailwind

colors: {
  custom: {
    50: '#6faf77',
    500: '#258c40',
    950: '#000000',
  },
}

SCSS

$custom: #258c40;
$custom-light: #6faf77;
$custom-dark: #000000;

JSON

{
  "hex": "#258c40",
  "rgb": {
    "r": 37,
    "g": 140,
    "b": 64
  },
  "hsl": {
    "h": 135.728,
    "s": 58.192,
    "l": 34.706
  },
  "oklch": {
    "l": 0.5647,
    "c": 0.14572,
    "h": 148
  },
  "luminance": 0.1952
}

Semantic roles & 50–950 ramp

primary

#258C40

secondary

#B8559E

accent

#46B9E1

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081009

muted

#7B7F7B

Preview Lab

Preview with #258C40

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

Preview Lab → · Contrast checker → · Palette generator →