#33C09E
Closest named color: Green Blue (#01C08D). oklch(72.6% 0.127 172.5), rgb(51, 192, 158).
Aa
Black text reads best on this color (9.17:1).
About this color
#33C09E is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 73%, its chroma 0.127 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Green Blue (#01C08D), ΔE 0.029 away. Black text reads best on it, at 9.17:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Green Blue (#01C08D) |
| Black text | 9.17:1 |
| White text | 2.28:1 |
Values
| HEX | #33C09E |
| RGB | rgb(51, 192, 158) |
| HSL | hsl(166, 58%, 48%) |
| OKLCH | oklch(72.6% 0.127 172.5) |
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 #33C09E | 2.28:1 | Fails | Lc -49.6 | Large or bold text, headings |
| Black text on #33C09E | 9.17:1 | AAA | Lc 59.3 | Large or bold text, headings |
| #33C09E text on white | 2.28:1 | Fails | Lc 44.7 | Non-text elements, placeholder text |
| #33C09E text on black | 9.17:1 | AAA | Lc -57.4 | 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 400.
-
Step 50
50
#EFF8F5
oklch(97.2% 0.01 174.3)
-
Step 100
100
#DBEFE8
oklch(93.5% 0.023 172.8)
-
Step 200
200
#BDE3D6
oklch(88.5% 0.044 172.5)
-
Step 300
300
#8AD2BB
oklch(81% 0.08 172.1)
-
Step 400
400 (this color)
#33C09E
oklch(72.6% 0.127 172.5)
-
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
#005D4A
oklch(42.6% 0.082 172.5)
-
Step 900
900
#004E3D
oklch(37.8% 0.073 171.8)
-
Step 950
950
#002E24
oklch(26.9% 0.051 173.7)
#33C09E 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) | #BAB39C | 0.132 |
| Deuteranopia (no green cones) | #A7A6A0 | 0.125 |
| Tritanopia (no blue cones) | #00C2B6 | 0.033 |
| Achromatopsia (no color) | #ABABAB | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33C09E
#33C09E
oklch(72.6% 0.127 172.5)
- #E383AE
#E383AE
oklch(72.5% 0.128 352.4)
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 #33C09E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Blue #01C08D ΔE 0.029
- Topaz #13BBAF ΔE 0.033
- Greenblue #23C48B ΔE 0.033
- Greeny Blue #42B395 ΔE 0.035
- Light Sea Green #20B2AA ΔE 0.051
- Dark Seafoam #1FB57A ΔE 0.054
- Medium Aquamarine #66CDAA ΔE 0.054
- Dark Mint #48C072 ΔE 0.058
Use #33C09E 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.