#59BFB9
Closest named color: Topaz (#13BBAF). oklch(74.3% 0.095 190.1), rgb(89, 191, 185).
Aa
Black text reads best on this color (9.57:1).
About this color
#59BFB9 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 74%, its chroma 0.095 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.040 away. Black text reads best on it, at 9.57:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 9.57:1 |
| White text | 2.19:1 |
Values
| HEX | #59BFB9 |
| RGB | rgb(89, 191, 185) |
| HSL | hsl(176, 44%, 55%) |
| OKLCH | oklch(74.3% 0.095 190.1) |
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 #59BFB9 | 2.19:1 | Fails | Lc -47.7 | Large or bold text, headings |
| Black text on #59BFB9 | 9.57:1 | AAA | Lc 61.0 | Content text, not long reading |
| #59BFB9 text on white | 2.19:1 | Fails | Lc 42.9 | Non-text elements, placeholder text |
| #59BFB9 text on black | 9.57:1 | AAA | Lc -59.3 | 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
#F0F7F7
oklch(97.1% 0.007 197)
-
Step 100
100
#DEEEEC
oklch(93.7% 0.017 187.9)
-
Step 200
200
#C1E1DE
oklch(88.6% 0.034 189.6)
-
Step 300
300
#94CDC9
oklch(80.8% 0.059 190.6)
-
Step 400
400 (this color)
#59BFB9
oklch(74.3% 0.095 190.1)
-
Step 500
500
#009E98
oklch(63.1% 0.109 190)
-
Step 600
600
#008580
oklch(55.7% 0.096 190.1)
-
Step 700
700
#00706B
oklch(49.2% 0.085 189.4)
-
Step 800
800
#005C58
oklch(42.8% 0.074 189.6)
-
Step 900
900
#004C49
oklch(37.6% 0.065 190.2)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#59BFB9 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) | #B5B6B9 | 0.101 |
| Deuteranopia (no green cones) | #A5AABA | 0.095 |
| Tritanopia (no blue cones) | #00C3BD | 0.032 |
| Achromatopsia (no color) | #AFAFAF | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #59BFB9
#59BFB9
oklch(74.3% 0.095 190.1)
- #E0929E
#E0929E
oklch(74.2% 0.095 9.6)
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 #59BFB9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.040
- Dark Turquoise #00CED1 ΔE 0.048
- Medium Turquoise #48D1CC ΔE 0.049
- Medium Aquamarine #66CDAA ΔE 0.053
- Light Sea Green #20B2AA ΔE 0.055
- Pale Teal #82CBB2 ΔE 0.055
- Greeny Blue #42B395 ΔE 0.060
- Seafoam Blue #78D1B6 ΔE 0.062
Use #59BFB9 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.