#399780
Closest named color: Ocean Green (#3D9973). oklch(61.4% 0.095 174), rgb(57, 151, 128).
Aa
Black text reads best on this color (5.91:1).
About this color
#399780 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.095 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.022 away. Black text reads best on it, at 5.91:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 5.91:1 |
| White text | 3.55:1 |
Values
| HEX | #399780 |
| RGB | rgb(57, 151, 128) |
| HSL | hsl(165, 45%, 41%) |
| OKLCH | oklch(61.4% 0.095 174) |
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 #399780 | 3.55:1 | AA large text | Lc -68.3 | Content text, not long reading |
| Black text on #399780 | 5.91:1 | AA | Lc 41.2 | Non-text elements, placeholder text |
| #399780 text on white | 3.55:1 | AA large text | Lc 62.8 | Content text, not long reading |
| #399780 text on black | 5.91:1 | AA | Lc -38.8 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE9
oklch(93.6% 0.014 174.2)
-
Step 200
200
#C9DFD8
oklch(88.5% 0.025 174.7)
-
Step 300
300
#A2CBBE
oklch(80.9% 0.047 173.8)
-
Step 400
400
#6DB09D
oklch(70.7% 0.074 174.1)
-
Step 500
500 (this color)
#399780
oklch(61.4% 0.095 174)
-
Step 600
600
#0B876F
oklch(55.7% 0.104 174)
-
Step 700
700
#00725D
oklch(49.3% 0.094 174)
-
Step 800
800
#055D4C
oklch(42.8% 0.079 174.3)
-
Step 900
900
#144C3F
oklch(37.7% 0.062 174.2)
-
Step 950
950
#0E2D25
oklch(27.1% 0.04 173.6)
#399780 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) | #928E7F | 0.099 |
| Deuteranopia (no green cones) | #848482 | 0.094 |
| Tritanopia (no blue cones) | #009990 | 0.027 |
| Achromatopsia (no color) | #888888 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399780
#399780
oklch(61.4% 0.095 174)
- #B16C88
#B16C88
oklch(61.5% 0.094 354.4)
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 #399780, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.022
- Blue Green #0F9B8E ΔE 0.023
- Persian Green #2A9D8F ΔE 0.023
- Sea #3C9992 ΔE 0.027
- Dusty Teal #4C9085 ΔE 0.028
- Grey Teal #5E9B8A ΔE 0.039
- Teal Green #0A9396 ΔE 0.042
- Viridian #1E9167 ΔE 0.042
Use #399780 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.