#17A78C
Closest named color: Persian Green (#2A9D8F). oklch(65.2% 0.119 175.2), rgb(23, 167, 140).
Aa
Black text reads best on this color (6.94:1).
About this color
#17A78C is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.119 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.032 away. Black text reads best on it, at 6.94:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.94:1 |
| White text | 3.02:1 |
Values
| HEX | #17A78C |
| RGB | rgb(23, 167, 140) |
| HSL | hsl(169, 76%, 37%) |
| OKLCH | oklch(65.2% 0.119 175.2) |
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 #17A78C | 3.02:1 | AA large text | Lc -61.8 | Content text, not long reading |
| Black text on #17A78C | 6.94:1 | AA | Lc 47.6 | Large or bold text, headings |
| #17A78C text on white | 3.02:1 | AA large text | Lc 56.5 | Large or bold text, headings |
| #17A78C text on black | 6.94:1 | AA | Lc -45.3 | Large or bold text, headings |
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
#F0F7F5
oklch(97% 0.008 177.3)
-
Step 100
100
#DFEEE9
oklch(93.7% 0.017 174)
-
Step 200
200
#C4E1D8
oklch(88.6% 0.033 174.9)
-
Step 300
300
#99CDBF
oklch(80.8% 0.058 176.4)
-
Step 400
400
#5AB49D
oklch(70.8% 0.094 174.6)
-
Step 500
500 (this color)
#17A78C
oklch(65.2% 0.119 175.2)
-
Step 600
600
#008770
oklch(55.7% 0.105 175.1)
-
Step 700
700
#00715E
oklch(49% 0.092 175.6)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#004E40
oklch(37.9% 0.071 175.3)
-
Step 950
950
#022E25
oklch(27% 0.049 175.1)
#17A78C 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) | #A19C8B | 0.124 |
| Deuteranopia (no green cones) | #8F8F8E | 0.118 |
| Tritanopia (no blue cones) | #00A99F | 0.027 |
| Achromatopsia (no color) | #949494 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17A78C
#17A78C
oklch(65.2% 0.119 175.2)
- #C86F93
#C86F93
oklch(65.2% 0.119 355.2)
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 #17A78C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.032
- Jade #1FA774 ΔE 0.034
- Blue Green #0F9B8E ΔE 0.038
- Greeny Blue #42B395 ΔE 0.043
- Ocean Green #3D9973 ΔE 0.044
- Bluey Green #2BB179 ΔE 0.047
- Sea #3C9992 ΔE 0.047
- Dark Seafoam Green #3EAF76 ΔE 0.047
Use #17A78C 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.