#42A796
Closest named color: Dull Teal (#5F9E8F). oklch(66.5% 0.097 180.2), rgb(66, 167, 150).
Aa
Black text reads best on this color (7.19:1).
About this color
#42A796 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.097 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Teal (#5F9E8F), ΔE 0.031 away. Black text reads best on it, at 7.19:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Dull Teal (#5F9E8F) |
| Black text | 7.19:1 |
| White text | 2.91:1 |
Values
| HEX | #42A796 |
| RGB | rgb(66, 167, 150) |
| HSL | hsl(170, 43%, 46%) |
| OKLCH | oklch(66.5% 0.097 180.2) |
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 #42A796 | 2.91:1 | Fails | Lc -60.6 | Content text, not long reading |
| Black text on #42A796 | 7.19:1 | AAA | Lc 48.8 | Large or bold text, headings |
| #42A796 text on white | 2.91:1 | Fails | Lc 55.3 | Large or bold text, headings |
| #42A796 text on black | 7.19:1 | AAA | Lc -46.5 | 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
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C7DFDA
oklch(88.4% 0.026 181.8)
-
Step 300
300
#A0CBC2
oklch(80.9% 0.047 180.9)
-
Step 400
400
#68B0A2
oklch(70.6% 0.076 180.1)
-
Step 500
500 (this color)
#42A796
oklch(66.5% 0.097 180.2)
-
Step 600
600
#008676
oklch(55.6% 0.1 180.5)
-
Step 700
700
#007163
oklch(49.2% 0.089 180.3)
-
Step 800
800
#005C51
oklch(42.6% 0.077 181.1)
-
Step 900
900
#0C4C43
oklch(37.6% 0.063 180.8)
-
Step 950
950
#0B2D27
oklch(27.1% 0.041 179.3)
#42A796 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) | #A09E95 | 0.102 |
| Deuteranopia (no green cones) | #919297 | 0.098 |
| Tritanopia (no blue cones) | #00AAA2 | 0.024 |
| Achromatopsia (no color) | #979797 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42A796
#42A796
oklch(66.5% 0.097 180.2)
- #C57A91
#C57A91
oklch(66.5% 0.097 0.3)
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 #42A796, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Teal #5F9E8F ΔE 0.031
- Persian Green #2A9D8F ΔE 0.035
- Light Sea Green #20B2AA ΔE 0.036
- Greeny Blue #42B395 ΔE 0.036
- Grey Teal #5E9B8A ΔE 0.037
- Cadet Blue #5F9EA0 ΔE 0.041
- Sea #3C9992 ΔE 0.042
- Blue Green #0F9B8E ΔE 0.046
Use #42A796 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.