#509E92
Closest named color: Dull Teal (#5F9E8F). oklch(64.6% 0.08 182.5), rgb(80, 158, 146).
Aa
Black text reads best on this color (6.64:1).
About this color
#509E92 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.080 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Teal (#5F9E8F), ΔE 0.014 away. Black text reads best on it, at 6.64:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Dull Teal (#5F9E8F) |
| Black text | 6.64:1 |
| White text | 3.15:1 |
Values
| HEX | #509E92 |
| RGB | rgb(80, 158, 146) |
| HSL | hsl(171, 33%, 47%) |
| OKLCH | oklch(64.6% 0.08 182.5) |
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 #509E92 | 3.15:1 | AA large text | Lc -63.9 | Content text, not long reading |
| Black text on #509E92 | 6.64:1 | AA | Lc 45.5 | Large or bold text, headings |
| #509E92 text on white | 3.15:1 | AA large text | Lc 58.5 | Large or bold text, headings |
| #509E92 text on black | 6.64:1 | AA | Lc -43.2 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEA
oklch(93.5% 0.011 182.9)
-
Step 200
200
#CADEDA
oklch(88.5% 0.022 182.5)
-
Step 300
300
#A6C9C3
oklch(80.9% 0.038 183.8)
-
Step 400
400
#74AEA4
oklch(70.8% 0.062 182.5)
-
Step 500
500 (this color)
#509E92
oklch(64.6% 0.08 182.5)
-
Step 600
600
#288478
oklch(55.7% 0.087 182.7)
-
Step 700
700
#186F65
oklch(49% 0.08 183.4)
-
Step 800
800
#185B52
oklch(42.8% 0.067 182.2)
-
Step 900
900
#1C4B44
oklch(37.8% 0.052 182.2)
-
Step 950
950
#122C28
oklch(27.1% 0.033 182.6)
#509E92 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) | #989692 | 0.085 |
| Deuteranopia (no green cones) | #8B8D93 | 0.080 |
| Tritanopia (no blue cones) | #2AA19A | 0.024 |
| Achromatopsia (no color) | #919191 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #509E92
#509E92
oklch(64.6% 0.08 182.5)
- #B7798A
#B7798A
oklch(64.5% 0.08 1.7)
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 #509E92, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Teal #5F9E8F ΔE 0.014
- Grey Teal #5E9B8A ΔE 0.015
- Sea #3C9992 ΔE 0.023
- Persian Green #2A9D8F ΔE 0.027
- Cadet Blue #5F9EA0 ΔE 0.027
- Blue Green #0F9B8E ΔE 0.038
- Dusty Teal #4C9085 ΔE 0.042
- Ocean Green #3D9973 ΔE 0.050
Use #509E92 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.