#59A2AA
Closest named color: Cadet Blue (#5F9EA0). oklch(66.8% 0.074 204.8), rgb(89, 162, 170).
Aa
Black text reads best on this color (7.17:1).
About this color
#59A2AA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.074 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.016 away. Black text reads best on it, at 7.17:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.17:1 |
| White text | 2.92:1 |
Values
| HEX | #59A2AA |
| RGB | rgb(89, 162, 170) |
| HSL | hsl(186, 32%, 51%) |
| OKLCH | oklch(66.8% 0.074 204.8) |
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 #59A2AA | 2.92:1 | Fails | Lc -60.9 | Content text, not long reading |
| Black text on #59A2AA | 7.17:1 | AAA | Lc 48.5 | Large or bold text, headings |
| #59A2AA text on white | 2.92:1 | Fails | Lc 55.6 | Large or bold text, headings |
| #59A2AA text on black | 7.17:1 | AAA | Lc -46.2 | 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 500.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CBDDDF
oklch(88.5% 0.019 204.8)
-
Step 300
300
#A6C8CC
oklch(80.9% 0.037 205.2)
-
Step 400
400
#75ABB2
oklch(70.6% 0.058 206.1)
-
Step 500
500 (this color)
#59A2AA
oklch(66.8% 0.074 204.8)
-
Step 600
600
#2C8189
oklch(55.7% 0.08 204)
-
Step 700
700
#1D6D75
oklch(49.2% 0.075 204.9)
-
Step 800
800
#1B595F
oklch(42.8% 0.062 204.3)
-
Step 900
900
#1E494E
oklch(37.7% 0.048 205.6)
-
Step 950
950
#132B2D
oklch(27.1% 0.03 202.6)
#59A2AA 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) | #989DAB | 0.074 |
| Deuteranopia (no green cones) | #8A93AA | 0.066 |
| Tritanopia (no blue cones) | #2DA7A4 | 0.035 |
| Achromatopsia (no color) | #979797 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59A2AA
#59A2AA
oklch(66.8% 0.074 204.8)
- #BE837E
#BE837E
oklch(66.8% 0.074 24.6)
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 #59A2AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.016
- Greyblue #77A1B5 ΔE 0.037
- Dull Teal #5F9E8F ΔE 0.038
- Grey Teal #5E9B8A ΔE 0.045
- Sea #3C9992 ΔE 0.050
- Bluegrey #85A3B2 ΔE 0.051
- Light Sea Green #20B2AA ΔE 0.053
- Turquoise Blue #06B1C4 ΔE 0.054
Use #59A2AA 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.