#33BBAB
Closest named color: Topaz (#13BBAF). oklch(71.7% 0.115 183.4), rgb(51, 187, 171).
Aa
Black text reads best on this color (8.83:1).
About this color
#33BBAB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 72%, its chroma 0.115 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.010 away. Black text reads best on it, at 8.83:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 8.83:1 |
| White text | 2.37:1 |
Values
| HEX | #33BBAB |
| RGB | rgb(51, 187, 171) |
| HSL | hsl(173, 57%, 47%) |
| OKLCH | oklch(71.7% 0.115 183.4) |
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 #33BBAB | 2.37:1 | Fails | Lc -51.4 | Large or bold text, headings |
| Black text on #33BBAB | 8.83:1 | AAA | Lc 57.6 | Large or bold text, headings |
| #33BBAB text on white | 2.37:1 | Fails | Lc 46.4 | Large or bold text, headings |
| #33BBAB text on black | 8.83:1 | AAA | Lc -55.6 | 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
#EFF8F6
oklch(97.2% 0.01 181.4)
-
Step 100
100
#DBEFEB
oklch(93.6% 0.022 182.5)
-
Step 200
200
#BDE2DC
oklch(88.5% 0.04 184.6)
-
Step 300
300
#8AD0C5
oklch(80.8% 0.072 183.6)
-
Step 400
400 (this color)
#33BBAB
oklch(71.7% 0.115 183.4)
-
Step 500
500
#009F90
oklch(63.1% 0.112 183.2)
-
Step 600
600
#008679
oklch(55.7% 0.099 183.1)
-
Step 700
700
#007066
oklch(49% 0.087 184.2)
-
Step 800
800
#005C53
oklch(42.6% 0.076 183.4)
-
Step 900
900
#004D45
oklch(37.7% 0.067 183.1)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#33BBAB 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) | #B2B0AA | 0.123 |
| Deuteranopia (no green cones) | #9FA2AD | 0.117 |
| Tritanopia (no blue cones) | #00BFB6 | 0.017 |
| Achromatopsia (no color) | #A8A8A8 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33BBAB
#33BBAB
oklch(71.7% 0.115 183.4)
- #E0849C
#E0849C
oklch(71.8% 0.116 3.6)
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 #33BBAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.010
- Light Sea Green #20B2AA ΔE 0.029
- Greeny Blue #42B395 ΔE 0.032
- Green Blue #01C08D ΔE 0.053
- Turquoise Blue #06B1C4 ΔE 0.055
- Greenblue #23C48B ΔE 0.060
- Dark Turquoise #00CED1 ΔE 0.064
- Medium Aquamarine #66CDAA ΔE 0.066
Use #33BBAB 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.