#59CFAE
Closest named color: Medium Aquamarine (#66CDAA). oklch(77.8% 0.117 171.9), rgb(89, 207, 174).
Aa
Black text reads best on this color (10.96:1).
About this color
#59CFAE is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 78%, its chroma 0.117 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.010 away. Black text reads best on it, at 10.96:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 10.96:1 |
| White text | 1.91:1 |
Values
| HEX | #59CFAE |
| RGB | rgb(89, 207, 174) |
| HSL | hsl(163, 55%, 58%) |
| OKLCH | oklch(77.8% 0.117 171.9) |
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 #59CFAE | 1.91:1 | Fails | Lc -40.6 | Non-text elements, placeholder text |
| Black text on #59CFAE | 10.96:1 | AAA | Lc 67.6 | Content text, not long reading |
| #59CFAE text on white | 1.91:1 | Fails | Lc 36.3 | Non-text elements, placeholder text |
| #59CFAE text on black | 10.96:1 | AAA | Lc -66.2 | 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 300.
-
Step 50
50
#ECF9F4
oklch(97.1% 0.015 171.1)
-
Step 100
100
#D4F2E7
oklch(93.6% 0.035 171.5)
-
Step 200
200
#AEE8D4
oklch(88.6% 0.065 171.5)
-
Step 300
300 (this color)
#59CFAE
oklch(77.8% 0.117 171.9)
-
Step 400
400
#00BC97
oklch(70.8% 0.137 171.9)
-
Step 500
500
#00A181
oklch(63.2% 0.122 172)
-
Step 600
600
#00876C
oklch(55.5% 0.108 172.1)
-
Step 700
700
#00725A
oklch(49.2% 0.096 171.5)
-
Step 800
800
#005D4A
oklch(42.6% 0.082 172.5)
-
Step 900
900
#004E3D
oklch(37.8% 0.073 171.8)
-
Step 950
950
#002E23
oklch(26.8% 0.052 171.9)
#59CFAE 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) | #C9C3AC | 0.121 |
| Deuteranopia (no green cones) | #B8B6B0 | 0.116 |
| Tritanopia (no blue cones) | #06D1C5 | 0.038 |
| Achromatopsia (no color) | #BBBBBB | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59CFAE
#59CFAE
oklch(77.8% 0.117 171.9)
- #F097BF
#F097BF
oklch(77.8% 0.117 351.7)
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 #59CFAE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.010
- Seafoam Blue #78D1B6 ΔE 0.030
- Pale Teal #82CBB2 ΔE 0.037
- Medium Turquoise #48D1CC ΔE 0.041
- Emerald #06D6A0 ΔE 0.044
- Turquoise #40E0D0 ΔE 0.054
- Dark Turquoise #00CED1 ΔE 0.055
- Tiffany Blue #94D2BD ΔE 0.061
Use #59CFAE 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.