#59AAA3
Closest named color: Cadet Blue (#5F9EA0). oklch(68.5% 0.08 188.1), rgb(89, 170, 163).
Aa
Black text reads best on this color (7.70:1).
About this color
#59AAA3 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.080 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.034 away. Black text reads best on it, at 7.70:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.70:1 |
| White text | 2.72:1 |
Values
| HEX | #59AAA3 |
| RGB | rgb(89, 170, 163) |
| HSL | hsl(175, 32%, 51%) |
| OKLCH | oklch(68.5% 0.08 188.1) |
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 #59AAA3 | 2.72:1 | Fails | Lc -57.8 | Large or bold text, headings |
| Black text on #59AAA3 | 7.70:1 | AAA | Lc 51.4 | Large or bold text, headings |
| #59AAA3 text on white | 2.72:1 | Fails | Lc 52.6 | Large or bold text, headings |
| #59AAA3 text on black | 7.70:1 | AAA | Lc -49.2 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E0EDEC
oklch(93.6% 0.014 191.4)
-
Step 200
200
#C5DFDC
oklch(88.4% 0.028 188.2)
-
Step 300
300
#9CCCC7
oklch(81% 0.051 188.3)
-
Step 400
400 (this color)
#59AAA3
oklch(68.5% 0.08 188.1)
-
Step 500
500
#219D95
oklch(63.1% 0.103 188.2)
-
Step 600
600
#00857E
oklch(55.6% 0.097 188.3)
-
Step 700
700
#00706A
oklch(49.1% 0.085 188.3)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#004C48
oklch(37.6% 0.065 188.7)
-
Step 950
950
#062D2A
oklch(27% 0.042 187.4)
#59AAA3 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) | #A2A3A3 | 0.085 |
| Deuteranopia (no green cones) | #9598A4 | 0.081 |
| Tritanopia (no blue cones) | #30ADA8 | 0.026 |
| Achromatopsia (no color) | #9D9D9D | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59AAA3
#59AAA3
oklch(68.5% 0.08 188.1)
- #C58590
#C58590
oklch(68.4% 0.08 8.1)
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 #59AAA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.034
- Light Sea Green #20B2AA ΔE 0.034
- Dull Teal #5F9E8F ΔE 0.037
- Greeny Blue #42B395 ΔE 0.042
- Grey Teal #5E9B8A ΔE 0.047
- Topaz #13BBAF ΔE 0.051
- Greyblue #77A1B5 ΔE 0.053
- Turquoise Blue #06B1C4 ΔE 0.053
Use #59AAA3 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.