#33AA97
Closest named color: Light Sea Green (#20B2AA). oklch(66.8% 0.107 179.9), rgb(51, 170, 151).
Aa
Black text reads best on this color (7.33:1).
About this color
#33AA97 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.107 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Light Sea Green (#20B2AA), ΔE 0.030 away. Black text reads best on it, at 7.33:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Light Sea Green (#20B2AA) |
| Black text | 7.33:1 |
| White text | 2.86:1 |
Values
| HEX | #33AA97 |
| RGB | rgb(51, 170, 151) |
| HSL | hsl(170, 54%, 43%) |
| OKLCH | oklch(66.8% 0.107 179.9) |
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 #33AA97 | 2.86:1 | Fails | Lc -59.7 | Large or bold text, headings |
| Black text on #33AA97 | 7.33:1 | AAA | Lc 49.6 | Large or bold text, headings |
| #33AA97 text on white | 2.86:1 | Fails | Lc 54.4 | Large or bold text, headings |
| #33AA97 text on black | 7.33:1 | AAA | Lc -47.4 | 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 500.
-
Step 50
50
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E0EDEA
oklch(93.6% 0.014 180.7)
-
Step 200
200
#C6E0DA
oklch(88.6% 0.029 180.2)
-
Step 300
300
#9CCCC2
oklch(80.8% 0.052 180.7)
-
Step 400
400
#60B2A2
oklch(70.7% 0.084 179.6)
-
Step 500
500 (this color)
#33AA97
oklch(66.8% 0.107 179.9)
-
Step 600
600
#008675
oklch(55.5% 0.101 179.7)
-
Step 700
700
#007162
oklch(49.1% 0.09 179.3)
-
Step 800
800
#005D50
oklch(42.8% 0.078 178.9)
-
Step 900
900
#004D43
oklch(37.7% 0.068 180.3)
-
Step 950
950
#062D27
oklch(26.9% 0.044 180.3)
#33AA97 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) | #A3A096 | 0.114 |
| Deuteranopia (no green cones) | #929499 | 0.107 |
| Tritanopia (no blue cones) | #00ADA4 | 0.020 |
| Achromatopsia (no color) | #999999 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33AA97
#33AA97
oklch(66.8% 0.107 179.9)
- #CA7892
#CA7892
oklch(66.8% 0.107 360)
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 #33AA97, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Sea Green #20B2AA ΔE 0.030
- Greeny Blue #42B395 ΔE 0.030
- Persian Green #2A9D8F ΔE 0.039
- Dull Teal #5F9E8F ΔE 0.041
- Grey Teal #5E9B8A ΔE 0.047
- Blue Green #0F9B8E ΔE 0.048
- Sea #3C9992 ΔE 0.049
- Tea #65AB7C ΔE 0.050
Use #33AA97 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.