#5FA3A6
Closest named color: Cadet Blue (#5F9EA0). oklch(67.2% 0.069 199.3), rgb(95, 163, 166).
Aa
Black text reads best on this color (7.27:1).
About this color
#5FA3A6 is a medium-light, muted teal or cyan. In OKLCH its lightness is 67%, its chroma 0.069 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.015 away. Black text reads best on it, at 7.27:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.27:1 |
| White text | 2.88:1 |
Values
| HEX | #5FA3A6 |
| RGB | rgb(95, 163, 166) |
| HSL | hsl(183, 29%, 51%) |
| OKLCH | oklch(67.2% 0.069 199.3) |
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 #5FA3A6 | 2.88:1 | Fails | Lc -60.3 | Content text, not long reading |
| Black text on #5FA3A6 | 7.27:1 | AAA | Lc 49.0 | Large or bold text, headings |
| #5FA3A6 text on white | 2.88:1 | Fails | Lc 55.0 | Large or bold text, headings |
| #5FA3A6 text on black | 7.27:1 | AAA | Lc -46.8 | 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 400.
-
Step 50
50
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1EDED
oklch(93.7% 0.013 196.9)
-
Step 200
200
#C8DEDF
oklch(88.5% 0.024 200.1)
-
Step 300
300
#A1CACB
oklch(81% 0.043 198.2)
-
Step 400
400 (this color)
#5FA3A6
oklch(67.2% 0.069 199.3)
-
Step 500
500
#3A9A9E
oklch(63.2% 0.088 199)
-
Step 600
600
#008488
oklch(55.7% 0.095 198.5)
-
Step 700
700
#006F73
oklch(49.2% 0.084 199.2)
-
Step 800
800
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900
#104B4D
oklch(37.8% 0.058 198.4)
-
Step 950
950
#0C2C2D
oklch(27% 0.037 198.1)
#5FA3A6 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) | #9A9DA6 | 0.071 |
| Deuteranopia (no green cones) | #8E94A6 | 0.066 |
| Tritanopia (no blue cones) | #3DA7A4 | 0.028 |
| Achromatopsia (no color) | #989898 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5FA3A6
#5FA3A6
oklch(67.2% 0.069 199.3)
- #BD8585
#BD8585
oklch(67.2% 0.069 19)
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 #5FA3A6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.015
- Dull Teal #5F9E8F ΔE 0.033
- Greyblue #77A1B5 ΔE 0.037
- Grey Teal #5E9B8A ΔE 0.042
- Bluegrey #85A3B2 ΔE 0.048
- Sea #3C9992 ΔE 0.051
- Light Sea Green #20B2AA ΔE 0.052
- Bluey Grey #89A0B0 ΔE 0.052
Use #5FA3A6 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.