#00917F
Closest named color: Dark Cyan (#008B8B). oklch(58.8% 0.107 179.9), rgb(0, 145, 127).
Aa
Black text reads best on this color (5.35:1).
About this color
#00917F is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.107 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.030 away. Black text reads best on it, at 5.35:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 5.35:1 |
| White text | 3.92:1 |
Values
| HEX | #00917F |
| RGB | rgb(0, 145, 127) |
| HSL | hsl(173, 100%, 28%) |
| OKLCH | oklch(58.8% 0.107 179.9) |
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 #00917F | 3.92:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #00917F | 5.35:1 | AA | Lc 38.1 | Non-text elements, placeholder text |
| #00917F text on white | 3.92:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #00917F text on black | 5.35:1 | AA | Lc -35.7 | 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 600.
-
Step 50
50
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C7DFDA
oklch(88.4% 0.026 181.8)
-
Step 300
300
#A0CBC2
oklch(80.9% 0.047 180.9)
-
Step 400
400
#67B1A2
oklch(70.8% 0.078 179.4)
-
Step 500
500
#349D8C
oklch(63.2% 0.098 180.1)
-
Step 600
600 (this color)
#00917F
oklch(58.8% 0.107 179.9)
-
Step 700
700
#007162
oklch(49.1% 0.09 179.3)
-
Step 800
800
#005D50
oklch(42.8% 0.078 178.9)
-
Step 900
900
#0B4C43
oklch(37.6% 0.063 180.9)
-
Step 950
950
#0B2D27
oklch(27.1% 0.041 179.3)
#00917F 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) | #8A877E | 0.113 |
| Deuteranopia (no green cones) | #7A7C81 | 0.107 |
| Tritanopia (no blue cones) | #00948C | 0.020 |
| Achromatopsia (no color) | #818181 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00917F
#00917F
oklch(58.8% 0.107 179.9)
- #B0607A
#B0607A
oklch(58.9% 0.107 0.2)
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 #00917F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.030
- Blue Green #0F9B8E ΔE 0.034
- Teal Green #0A9396 ΔE 0.035
- Viridian #1E9167 ΔE 0.035
- Dusty Teal #4C9085 ΔE 0.039
- Ocean Green #3D9973 ΔE 0.042
- Persian Green #2A9D8F ΔE 0.043
- Sea #3C9992 ΔE 0.045
Use #00917F 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.