#399565
Closest named color: Viridian (#1E9167). oklch(60.2% 0.115 157.3), rgb(57, 149, 101).
Aa
Black text reads best on this color (5.66:1).
About this color
#399565 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.115 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.021 away. Black text reads best on it, at 5.66:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 5.66:1 |
| White text | 3.70:1 |
Values
| HEX | #399565 |
| RGB | rgb(57, 149, 101) |
| HSL | hsl(149, 45%, 40%) |
| OKLCH | oklch(60.2% 0.115 157.3) |
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 #399565 | 3.70:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #399565 | 5.66:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #399565 text on white | 3.70:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #399565 text on black | 5.66:1 | 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.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#C9E0D1
oklch(88.5% 0.032 157.1)
-
Step 300
300
#A3CCB3
oklch(80.9% 0.056 158.1)
-
Step 400
400
#6FB28A
oklch(70.7% 0.091 156.9)
-
Step 500
500 (this color)
#399565
oklch(60.2% 0.115 157.3)
-
Step 600
600
#188855
oklch(55.5% 0.124 157.3)
-
Step 700
700
#027445
oklch(49.2% 0.117 156.9)
-
Step 800
800
#0C5E39
oklch(42.6% 0.096 157.2)
-
Step 900
900
#174D31
oklch(37.6% 0.075 157)
-
Step 950
950
#0F2D1D
oklch(26.9% 0.047 157.6)
#399565 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) | #948A62 | 0.105 |
| Deuteranopia (no green cones) | #878168 | 0.102 |
| Tritanopia (no blue cones) | #109488 | 0.053 |
| Achromatopsia (no color) | #858585 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399565
#399565
oklch(60.2% 0.115 157.3)
- #AC6499
#AC6499
oklch(60.1% 0.115 337.5)
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 #399565, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.021
- Ocean Green #3D9973 ΔE 0.021
- Light Forest Green #4F9153 ΔE 0.025
- Sea Green #2E8B57 ΔE 0.034
- Fern Green #548D44 ΔE 0.041
- Dark Sage #598556 ΔE 0.049
- Slate Green #658D6D ΔE 0.050
- Jade #1FA774 ΔE 0.050
Use #399565 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.