#509690
Closest named color: Sea (#3C9992). oklch(62.6% 0.072 188.3), rgb(80, 150, 144).
Aa
Black text reads best on this color (6.10:1).
About this color
#509690 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.072 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.016 away. Black text reads best on it, at 6.10:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 6.10:1 |
| White text | 3.43:1 |
Values
| HEX | #509690 |
| RGB | rgb(80, 150, 144) |
| HSL | hsl(175, 30%, 45%) |
| OKLCH | oklch(62.6% 0.072 188.3) |
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 #509690 | 3.43:1 | AA large text | Lc -67.2 | Content text, not long reading |
| Black text on #509690 | 6.10:1 | AA | Lc 42.3 | Non-text elements, placeholder text |
| #509690 text on white | 3.43:1 | AA large text | Lc 61.8 | Content text, not long reading |
| #509690 text on black | 6.10:1 | AA | Lc -39.9 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CCDDDB
oklch(88.4% 0.018 188.3)
-
Step 300
300
#A8C8C5
oklch(80.8% 0.035 189.5)
-
Step 400
400
#78ACA7
oklch(70.6% 0.055 188.5)
-
Step 500
500 (this color)
#509690
oklch(62.6% 0.072 188.3)
-
Step 600
600
#32827C
oklch(55.6% 0.078 188.3)
-
Step 700
700
#236E68
oklch(49.1% 0.073 187.5)
-
Step 800
800
#205A55
oklch(42.8% 0.06 187.3)
-
Step 900
900
#204A46
oklch(37.8% 0.047 187.1)
-
Step 950
950
#142B29
oklch(26.9% 0.029 188.3)
#509690 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) | #8F8F90 | 0.076 |
| Deuteranopia (no green cones) | #838791 | 0.071 |
| Tritanopia (no blue cones) | #2E9994 | 0.023 |
| Achromatopsia (no color) | #8A8A8A | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #509690
#509690
oklch(62.6% 0.072 188.3)
- #AE767F
#AE767F
oklch(62.6% 0.071 8.8)
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 #509690, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.016
- Dusty Teal #4C9085 ΔE 0.022
- Grey Teal #5E9B8A ΔE 0.024
- Dull Teal #5F9E8F ΔE 0.030
- Persian Green #2A9D8F ΔE 0.031
- Cadet Blue #5F9EA0 ΔE 0.035
- Blue Green #0F9B8E ΔE 0.037
- Teal Green #0A9396 ΔE 0.040
Use #509690 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.