#33DAB4
Closest named color: Emerald (#06D6A0). oklch(79.7% 0.143 173), rgb(51, 218, 180).
Aa
Black text reads best on this color (11.82:1).
About this color
#33DAB4 is a light, vivid teal or cyan. In OKLCH its lightness is 80%, its chroma 0.143 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Emerald (#06D6A0), ΔE 0.031 away. Black text reads best on it, at 11.82:1.
| Hue family | Teals and cyans |
| Lightness | light (80%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Emerald (#06D6A0) |
| Black text | 11.82:1 |
| White text | 1.77:1 |
Values
| HEX | #33DAB4 |
| RGB | rgb(51, 218, 180) |
| HSL | hsl(166, 69%, 53%) |
| OKLCH | oklch(79.7% 0.143 173) |
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 #33DAB4 | 1.77:1 | Fails | Lc -36.2 | Non-text elements, placeholder text |
| Black text on #33DAB4 | 11.82:1 | AAA | Lc 71.6 | Content text, not long reading |
| #33DAB4 text on white | 1.77:1 | Fails | Lc 32.2 | Non-text elements, placeholder text |
| #33DAB4 text on black | 11.82:1 | AAA | Lc -70.5 | 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
#E9FAF4
oklch(97.1% 0.02 172.8)
-
Step 100
100
#CFF3E7
oklch(93.5% 0.041 173.3)
-
Step 200
200
#A2EBD4
oklch(88.6% 0.079 172.7)
-
Step 300
300 (this color)
#33DAB4
oklch(79.7% 0.143 173)
-
Step 400
400
#00BB98
oklch(70.6% 0.136 172.9)
-
Step 500
500
#00A182
oklch(63.2% 0.122 172.6)
-
Step 600
600
#00876D
oklch(55.6% 0.107 172.9)
-
Step 700
700
#00725B
oklch(49.2% 0.095 172.3)
-
Step 800
800
#005D4B
oklch(42.7% 0.081 173.5)
-
Step 900
900
#004E3E
oklch(37.8% 0.073 172.9)
-
Step 950
950
#002E24
oklch(26.9% 0.051 173.7)
#33DAB4 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) | #D3CBB2 | 0.148 |
| Deuteranopia (no green cones) | #BDBCB7 | 0.141 |
| Tritanopia (no blue cones) | #00DCCF | 0.036 |
| Achromatopsia (no color) | #C2C2C2 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33DAB4
#33DAB4
oklch(79.7% 0.143 173)
- #FF97C4
#FF97C4
oklch(79.7% 0.135 353.2)
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 #33DAB4, closest first.
No curated palette has a color within ΔE 0.04 of #33DAB4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Emerald #06D6A0 ΔE 0.031
- Aqua Marine #2EE8BB ΔE 0.038
- Medium Aquamarine #66CDAA ΔE 0.040
- Turquoise #40E0D0 ΔE 0.040
- Seafoam Blue #78D1B6 ΔE 0.048
- Medium Turquoise #48D1CC ΔE 0.050
- Aqua Green #12E193 ΔE 0.056
- Pale Teal #82CBB2 ΔE 0.062
Use #33DAB4 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.