#39972E

Closest named color: Grass Green (#3F9B0B). oklch(59.9% 0.167 141.6), rgb(57, 151, 46).

Aa

Black text reads best on this color (5.64:1).

About this color

#39972E is a medium-dark, vivid green. In OKLCH its lightness is 60%, its chroma 0.167 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass Green (#3F9B0B), ΔE 0.024 away. Black text reads best on it, at 5.64:1.

Hue familyGreens
Lightnessmedium-dark (60%)
Chromavivid (0.167)
Temperaturein between
Nearest nameGrass Green (#3F9B0B)
Black text5.64:1
White text3.72:1

Values

HEX#39972E
RGBrgb(57, 151, 46)
HSLhsl(114, 53%, 39%)
OKLCHoklch(59.9% 0.167 141.6)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #39972E 3.72:1 AA large text Lc -69.9 Content text, not long reading
Black text on #39972E 5.64:1 AA Lc 39.7 Non-text elements, placeholder text
#39972E text on white 3.72:1 AA large text Lc 64.4 Content text, not long reading
#39972E text on black 5.64:1 AA Lc -37.3 Non-text elements, placeholder text

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.

  1. Step 50

    50

    #F2F7F1

    oklch(97.1% 0.01 140.5)

  2. Step 100

    100

    #E1EEE0

    oklch(93.6% 0.023 143.4)

  3. Step 200

    200

    #C9E1C6

    oklch(88.5% 0.045 142.1)

  4. Step 300

    300

    #A3CE9D

    oklch(80.8% 0.082 141.6)

  5. Step 400

    400

    #6FB566

    oklch(70.7% 0.132 141.6)

  6. Step 500

    500 (this color)

    #39972E

    oklch(59.9% 0.167 141.6)

  7. Step 600

    600

    #1B8B09

    oklch(55.5% 0.181 141.6)

  8. Step 700

    700

    #117600

    oklch(49.2% 0.164 141.6)

  9. Step 800

    800

    #0F6003

    oklch(42.6% 0.14 141.6)

  10. Step 900

    900

    #174F11

    oklch(37.7% 0.109 141.7)

  11. Step 950

    950

    #102E0C

    oklch(26.9% 0.068 141.4)

Export this scale for Tailwind in the Tailwind colors tool

#39972E with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#9B891F0.117
Deuteranopia (no green cones)#8F81380.117
Tritanopia (no blue cones)#2A92820.110
Achromatopsia (no color)#8484840.168

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #39972E

    #39972E

    oklch(59.9% 0.167 141.6)

  • #AC58BA

    #AC58BA

    oklch(59.8% 0.167 321.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #39972E

    #39972E

    oklch(59.9% 0.167 141.6)

  • #838600

    #838600

    oklch(59.8% 0.132 111.3)

  • #009677

    #009677

    oklch(59.9% 0.117 171.3)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #39972E

    #39972E

    oklch(59.9% 0.167 141.6)

  • #8368DA

    #8368DA

    oklch(59.8% 0.168 291.4)

  • #C64D8B

    #C64D8B

    oklch(59.9% 0.167 351.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #39972E

    #39972E

    oklch(59.9% 0.167 141.6)

  • #447BE2

    #447BE2

    oklch(59.8% 0.167 261.6)

  • #D14C51

    #D14C51

    oklch(59.8% 0.168 21.6)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #39972E

    #39972E

    oklch(59.9% 0.167 141.6)

  • #008BBB

    #008BBB

    oklch(59.8% 0.122 231.8)

  • #AC58BA

    #AC58BA

    oklch(59.8% 0.167 321.7)

  • #C55F00

    #C55F00

    oklch(59.9% 0.155 51.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #39972E, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #39972E in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.