#257F3F#257F3F

#257F3F is a mid, vivid green. Relative luminance 0.159; OKLCH L 52.8% C 0.129 H 149.1°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#257F3F
RGB	rgb(37, 127, 63)
HSL	hsl(137, 55%, 32%)
HSV	hsv(137, 71%, 50%)
CMYK	cmyk(70.9%, 0%, 50.4%, 50.2%)
CIE-LAB	lab(46.88, -41.07, 27.21)
CIE-LCH	lch(46.88, 49.26, 146.47°)
OKLab	oklab(52.82% -0.1106 0.0662)
OKLCH	oklch(52.82% 0.129 149.1)
XYZ	xyz(9.2488, 15.9299, 7.2890)
Luminance	0.1593 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257F3F #7F2565

analogous

#387F25 #257F3F #257F6C

triadic

#257F3F #3F257F #7F3F25

tetradic

#257F3F #25387F #7F2565 #7F6C25

square

#257F3F #25387F #7F2565 #7F6C25

split-complementary

#257F3F #6C257F #7F2538

monochromatic

#092010 #175027 #257F3F #33AE57 #52CD75

Accessibility & contrast

On white

5.02

#257F3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#257F3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257F3F

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257F3F	#FFFFFF	#000000	##FFFFFF
##257F3F	1.00	5.02	4.19	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#80743A

Deuteranopia (green-blind)

#756C44

Tritanopia (blue-blind)

#007D70

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #257f3f;
/* rgb */ color: rgb(37, 127, 63);
/* oklch */ color: oklch(52.8% 0.129 149.1);

Tailwind

colors: {
  custom: {
    50: '#6ca575',
    500: '#257f3f',
    950: '#000000',
  },
}

SCSS

$custom: #257f3f;
$custom-light: #6ca575;
$custom-dark: #000000;

JSON

{
  "hex": "#257f3f",
  "rgb": {
    "r": 37,
    "g": 127,
    "b": 63
  },
  "hsl": {
    "h": 137.333,
    "s": 54.878,
    "l": 32.157
  },
  "oklch": {
    "l": 0.52824,
    "c": 0.12893,
    "h": 149.1
  },
  "luminance": 0.15931
}

Semantic roles & 50–950 ramp

primary

#257F3F

secondary

#B14F95

accent

#4AB3DE

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#080F08

muted

#7A7F7B

Preview Lab

Preview with #257F3F

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

Preview Lab → · Contrast checker → · Palette generator →