#15959F
Closest named color: Teal Green (#0A9396). oklch(61.2% 0.101 203.5), rgb(21, 149, 159).
Aa
Black text reads best on this color (5.83:1).
About this color
#15959F is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.101 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Green (#0A9396), ΔE 0.015 away. Black text reads best on it, at 5.83:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Teal Green (#0A9396) |
| Black text | 5.83:1 |
| White text | 3.60:1 |
Values
| HEX | #15959F |
| RGB | rgb(21, 149, 159) |
| HSL | hsl(184, 77%, 35%) |
| OKLCH | oklch(61.2% 0.101 203.5) |
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 #15959F | 3.60:1 | AA large text | Lc -68.6 | Content text, not long reading |
| Black text on #15959F | 5.83:1 | AA | Lc 41.0 | Non-text elements, placeholder text |
| #15959F text on white | 3.60:1 | AA large text | Lc 63.1 | Content text, not long reading |
| #15959F text on black | 5.83:1 | AA | Lc -38.6 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0EDEE
oklch(93.7% 0.014 202.5)
-
Step 200
200
#C5DFE1
oklch(88.5% 0.028 202.3)
-
Step 300
300
#9CCACF
oklch(80.8% 0.049 204.5)
-
Step 400
400
#60AFB7
oklch(70.7% 0.079 204.1)
-
Step 500
500 (this color)
#15959F
oklch(61.2% 0.101 203.5)
-
Step 600
600
#00838C
oklch(55.6% 0.095 203.3)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#062C30
oklch(27% 0.041 205.3)
#15959F 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) | #888EA0 | 0.100 |
| Deuteranopia (no green cones) | #76819F | 0.092 |
| Tritanopia (no blue cones) | #009C98 | 0.027 |
| Achromatopsia (no color) | #878787 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15959F
#15959F
oklch(61.2% 0.101 203.5)
- #B96A66
#B96A66
oklch(61.2% 0.102 23.5)
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 #15959F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Green #0A9396 ΔE 0.015
- Sea #3C9992 ΔE 0.031
- Blue Green #0F9B8E ΔE 0.036
- Dark Cyan #008B8B ΔE 0.039
- Persian Green #2A9D8F ΔE 0.040
- Teal Blue #01889F ΔE 0.041
- Dusty Teal #4C9085 ΔE 0.043
- Blue NCS #118AB2 ΔE 0.050
Use #15959F 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.