#509A79
Closest named color: Ocean Green (#3D9973). oklch(62.9% 0.09 163), rgb(80, 154, 121).
Aa
Black text reads best on this color (6.23:1).
About this color
#509A79 is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.090 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.019 away. Black text reads best on it, at 6.23:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 6.23:1 |
| White text | 3.36:1 |
Values
| HEX | #509A79 |
| RGB | rgb(80, 154, 121) |
| HSL | hsl(153, 32%, 46%) |
| OKLCH | oklch(62.9% 0.09 163) |
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 #509A79 | 3.36:1 | AA large text | Lc -66.4 | Content text, not long reading |
| Black text on #509A79 | 6.23:1 | AA | Lc 43.1 | Non-text elements, placeholder text |
| #509A79 text on white | 3.36:1 | AA large text | Lc 61.0 | Content text, not long reading |
| #509A79 text on black | 6.23:1 | AA | Lc -40.7 | 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
#E3EDE7
oklch(93.7% 0.013 159.9)
-
Step 200
200
#CBDFD4
oklch(88.6% 0.026 161.9)
-
Step 300
300
#A8CAB8
oklch(80.9% 0.044 162.2)
-
Step 400
400
#77AF94
oklch(70.7% 0.071 163)
-
Step 500
500 (this color)
#509A79
oklch(62.9% 0.09 163)
-
Step 600
600
#308563
oklch(55.6% 0.098 163.4)
-
Step 700
700
#227152
oklch(49.2% 0.091 163.1)
-
Step 800
800
#1F5C43
oklch(42.8% 0.076 162.9)
-
Step 900
900
#204B38
oklch(37.6% 0.059 162.6)
-
Step 950
950
#142C21
oklch(27% 0.037 162.7)
#509A79 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) | #989177 | 0.088 |
| Deuteranopia (no green cones) | #8C897B | 0.084 |
| Tritanopia (no blue cones) | #3A9A91 | 0.037 |
| Achromatopsia (no color) | #8C8C8C | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #509A79
#509A79
oklch(62.9% 0.09 163)
- #AF7297
#AF7297
oklch(62.8% 0.091 343)
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 #509A79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.019
- Grey Teal #5E9B8A ΔE 0.030
- Persian Green #2A9D8F ΔE 0.035
- Dull Teal #5F9E8F ΔE 0.037
- Slate Green #658D6D ΔE 0.039
- Sea #3C9992 ΔE 0.039
- Dusty Teal #4C9085 ΔE 0.040
- Blue Green #0F9B8E ΔE 0.041
Use #509A79 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.