#59A39E
Closest named color: Cadet Blue (#5F9EA0). oklch(66.6% 0.075 189.8), rgb(89, 163, 158).
Aa
Black text reads best on this color (7.15:1).
About this color
#59A39E is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.075 and its hue 190°. 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 7.15:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.15:1 |
| White text | 2.93:1 |
Values
| HEX | #59A39E |
| RGB | rgb(89, 163, 158) |
| HSL | hsl(176, 29%, 49%) |
| OKLCH | oklch(66.6% 0.075 189.8) |
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 #59A39E | 2.93:1 | Fails | Lc -61.0 | Content text, not long reading |
| Black text on #59A39E | 7.15:1 | AAA | Lc 48.4 | Large or bold text, headings |
| #59A39E text on white | 2.93:1 | Fails | Lc 55.6 | Large or bold text, headings |
| #59A39E text on black | 7.15:1 | AAA | Lc -46.1 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CBDEDC
oklch(88.6% 0.02 189.2)
-
Step 300
300
#A7C9C6
oklch(81% 0.037 189.9)
-
Step 400
400
#75ADA8
oklch(70.7% 0.059 188.9)
-
Step 500
500 (this color)
#59A39E
oklch(66.6% 0.075 189.8)
-
Step 600
600
#2C827E
oklch(55.5% 0.081 190.7)
-
Step 700
700
#1D6E6A
oklch(49% 0.075 190.1)
-
Step 800
800
#1C5A56
oklch(42.7% 0.062 189)
-
Step 900
900
#1E4A47
oklch(37.7% 0.049 189.3)
-
Step 950
950
#132B2A
oklch(26.9% 0.03 192)
#59A39E 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) | #9C9C9E | 0.080 |
| Deuteranopia (no green cones) | #8F939F | 0.074 |
| Tritanopia (no blue cones) | #35A6A1 | 0.025 |
| Achromatopsia (no color) | #979797 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59A39E
#59A39E
oklch(66.6% 0.075 189.8)
- #BD818A
#BD818A
oklch(66.6% 0.075 9.4)
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 #59A39E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.016
- Dull Teal #5F9E8F ΔE 0.022
- Grey Teal #5E9B8A ΔE 0.031
- Sea #3C9992 ΔE 0.042
- Persian Green #2A9D8F ΔE 0.046
- Light Sea Green #20B2AA ΔE 0.047
- Greyblue #77A1B5 ΔE 0.051
- Greeny Blue #42B395 ΔE 0.054
Use #59A39E 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.