#397556
Closest named color: Dark Aquamarine (#017371). oklch(51.3% 0.081 159.1), rgb(57, 117, 86).
Aa
White text reads best on this color (5.45:1).
About this color
#397556 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.081 and its hue 159°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.049 away. White text reads best on it, at 5.45:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.85:1 |
| White text | 5.45:1 |
Values
| HEX | #397556 |
| RGB | rgb(57, 117, 86) |
| HSL | hsl(149, 34%, 34%) |
| OKLCH | oklch(51.3% 0.081 159.1) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #397556 | 5.45:1 | AA | Lc -82.4 | Fine for body text |
| Black text on #397556 | 3.85:1 | AA large text | Lc 27.0 | Dividers and decoration only |
| #397556 text on white | 5.45:1 | AA | Lc 77.0 | Fine for body text |
| #397556 text on black | 3.85:1 | AA large text | Lc -24.7 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE7
oklch(93.6% 0.011 158.8)
-
Step 200
200
#CEDED4
oklch(88.6% 0.022 158.5)
-
Step 300
300
#ACC9B8
oklch(81% 0.039 159.7)
-
Step 400
400
#7FAD93
oklch(70.7% 0.062 159.5)
-
Step 500
500
#5D9878
oklch(63% 0.079 159.3)
-
Step 600
600
#418361
oklch(55.6% 0.087 159.3)
-
Step 700
700 (this color)
#397556
oklch(51.3% 0.081 159.1)
-
Step 800
800
#2B5A42
oklch(42.7% 0.066 159.5)
-
Step 900
900
#274A38
oklch(37.7% 0.052 160.1)
-
Step 950
950
#182B21
oklch(26.9% 0.031 160.3)
#397556 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #746D54 | 0.076 |
| Deuteranopia (no green cones) | #6B6758 | 0.074 |
| Tritanopia (no blue cones) | #28746D | 0.037 |
| Achromatopsia (no color) | #696969 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397556
#397556
oklch(51.3% 0.081 159.1)
- #855476
#855476
oklch(51.2% 0.08 338.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #397556, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.049
- Dark Olive Green #556B2F ΔE 0.052
- Bluegreen #017A79 ΔE 0.053
- Dark Moss Green #606C38 ΔE 0.053
- Deep Turquoise #017374 ΔE 0.053
- Jungle Green #048243 ΔE 0.061
- Muddy Green #657432 ΔE 0.062
- Teal #008080 ΔE 0.062
Use #397556 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.