#59C4BC
Closest named color: Medium Turquoise (#48D1CC). oklch(75.6% 0.099 188.7), rgb(89, 196, 188).
Aa
Black text reads best on this color (10.04:1).
About this color
#59C4BC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 76%, its chroma 0.099 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Turquoise (#48D1CC), ΔE 0.036 away. Black text reads best on it, at 10.04:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Medium Turquoise (#48D1CC) |
| Black text | 10.04:1 |
| White text | 2.09:1 |
Values
| HEX | #59C4BC |
| RGB | rgb(89, 196, 188) |
| HSL | hsl(176, 48%, 56%) |
| OKLCH | oklch(75.6% 0.099 188.7) |
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 #59C4BC | 2.09:1 | Fails | Lc -45.2 | Large or bold text, headings |
| Black text on #59C4BC | 10.04:1 | AAA | Lc 63.3 | Content text, not long reading |
| #59C4BC text on white | 2.09:1 | Fails | Lc 40.6 | Non-text elements, placeholder text |
| #59C4BC text on black | 10.04:1 | AAA | Lc -61.6 | Content text, not long reading |
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
#F0F7F6
oklch(97.1% 0.008 186.9)
-
Step 100
100
#DDEEEC
oklch(93.6% 0.018 188.4)
-
Step 200
200
#C0E1DD
oklch(88.5% 0.035 187.6)
-
Step 300
300
#92CEC8
oklch(80.9% 0.062 188.2)
-
Step 400
400 (this color)
#59C4BC
oklch(75.6% 0.099 188.7)
-
Step 500
500
#009E96
oklch(63% 0.109 188.5)
-
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
#002E2B
oklch(27.1% 0.047 188)
#59C4BC 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) | #BABBBC | 0.105 |
| Deuteranopia (no green cones) | #A9AEBD | 0.099 |
| Tritanopia (no blue cones) | #00C8C1 | 0.031 |
| Achromatopsia (no color) | #B3B3B3 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59C4BC
#59C4BC
oklch(75.6% 0.099 188.7)
- #E695A3
#E695A3
oklch(75.5% 0.099 8.4)
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 #59C4BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Turquoise #48D1CC ΔE 0.036
- Dark Turquoise #00CED1 ΔE 0.039
- Medium Aquamarine #66CDAA ΔE 0.043
- Pale Teal #82CBB2 ΔE 0.046
- Topaz #13BBAF ΔE 0.048
- Seafoam Blue #78D1B6 ΔE 0.050
- Light Sea Green #20B2AA ΔE 0.066
- Greeny Blue #42B395 ΔE 0.069
Use #59C4BC 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.