#509D80
Closest named color: Grey Teal (#5E9B8A). oklch(63.8% 0.089 166.8), rgb(80, 157, 128).
Aa
Black text reads best on this color (6.47:1).
About this color
#509D80 is a medium-light, moderately saturated green. In OKLCH its lightness is 64%, its chroma 0.089 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grey Teal (#5E9B8A), ΔE 0.023 away. Black text reads best on it, at 6.47:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Grey Teal (#5E9B8A) |
| Black text | 6.47:1 |
| White text | 3.24:1 |
Values
| HEX | #509D80 |
| RGB | rgb(80, 157, 128) |
| HSL | hsl(157, 32%, 46%) |
| OKLCH | oklch(63.8% 0.089 166.8) |
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 #509D80 | 3.24:1 | AA large text | Lc -65.0 | Content text, not long reading |
| Black text on #509D80 | 6.47:1 | AA | Lc 44.5 | Non-text elements, placeholder text |
| #509D80 text on white | 3.24:1 | AA large text | Lc 59.5 | Large or bold text, headings |
| #509D80 text on black | 6.47:1 | AA | Lc -42.2 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CBDFD6
oklch(88.6% 0.025 167)
-
Step 300
300
#A7CABB
oklch(80.9% 0.043 167.4)
-
Step 400
400
#75AF97
oklch(70.7% 0.07 166.6)
-
Step 500
500 (this color)
#509D80
oklch(63.8% 0.089 166.8)
-
Step 600
600
#2C8567
oklch(55.6% 0.097 166.9)
-
Step 700
700
#1D7156
oklch(49.2% 0.09 166.9)
-
Step 800
800
#1B5C46
oklch(42.7% 0.075 166.6)
-
Step 900
900
#1E4B3B
oklch(37.6% 0.057 167.3)
-
Step 950
950
#132C23
oklch(27% 0.036 168.1)
#509D80 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) | #9A947F | 0.090 |
| Deuteranopia (no green cones) | #8E8B82 | 0.087 |
| Tritanopia (no blue cones) | #369D95 | 0.034 |
| Achromatopsia (no color) | #8F8F8F | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #509D80
#509D80
oklch(63.8% 0.089 166.8)
- #B37596
#B37596
oklch(63.7% 0.089 346.8)
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 #509D80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Teal #5E9B8A ΔE 0.023
- Ocean Green #3D9973 ΔE 0.027
- Dull Teal #5F9E8F ΔE 0.028
- Persian Green #2A9D8F ΔE 0.030
- Sea #3C9992 ΔE 0.035
- Blue Green #0F9B8E ΔE 0.039
- Dusty Teal #4C9085 ΔE 0.043
- Slate Green #658D6D ΔE 0.047
Use #509D80 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.