#33B593
Closest named color: Greeny Blue (#42B395). oklch(69.5% 0.122 171.2), rgb(51, 181, 147).
Aa
Black text reads best on this color (8.17:1).
About this color
#33B593 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.122 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.011 away. Black text reads best on it, at 8.17:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.17:1 |
| White text | 2.56:1 |
Values
| HEX | #33B593 |
| RGB | rgb(51, 181, 147) |
| HSL | hsl(164, 56%, 45%) |
| OKLCH | oklch(69.5% 0.122 171.2) |
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 #33B593 | 2.56:1 | Fails | Lc -55.0 | Large or bold text, headings |
| Black text on #33B593 | 8.17:1 | AAA | Lc 54.1 | Large or bold text, headings |
| #33B593 text on white | 2.56:1 | Fails | Lc 49.9 | Large or bold text, headings |
| #33B593 text on black | 8.17:1 | AAA | Lc -52.1 | 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
#EFF8F4
oklch(97.1% 0.011 167.8)
-
Step 100
100
#DCEFE8
oklch(93.6% 0.022 171.8)
-
Step 200
200
#BEE3D5
oklch(88.5% 0.043 170.4)
-
Step 300
300
#8DD1BA
oklch(80.9% 0.076 171.1)
-
Step 400
400 (this color)
#33B593
oklch(69.5% 0.122 171.2)
-
Step 500
500
#00A180
oklch(63.1% 0.123 171.4)
-
Step 600
600
#00876B
oklch(55.5% 0.108 171.4)
-
Step 700
700
#007259
oklch(49.1% 0.097 170.7)
-
Step 800
800
#005D49
oklch(42.6% 0.083 171.6)
-
Step 900
900
#004E3C
oklch(37.7% 0.074 170.6)
-
Step 950
950
#002F23
oklch(27.2% 0.053 170.5)
#33B593 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) | #B0A991 | 0.125 |
| Deuteranopia (no green cones) | #9E9C95 | 0.120 |
| Tritanopia (no blue cones) | #00B6AB | 0.034 |
| Achromatopsia (no color) | #A1A1A1 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33B593
#33B593
oklch(69.5% 0.122 171.2)
- #D67CA6
#D67CA6
oklch(69.6% 0.122 351.3)
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 #33B593, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.011
- Bluey Green #2BB179 ΔE 0.036
- Green Blue #01C08D ΔE 0.037
- Light Sea Green #20B2AA ΔE 0.037
- Dark Seafoam #1FB57A ΔE 0.038
- Dark Seafoam Green #3EAF76 ΔE 0.038
- Topaz #13BBAF ΔE 0.038
- Tea #65AB7C ΔE 0.042
Use #33B593 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.