#42A792
Closest named color: Dull Teal (#5F9E8F). oklch(66.3% 0.099 177), rgb(66, 167, 146).
Aa
Black text reads best on this color (7.17:1).
About this color
#42A792 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.099 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Teal (#5F9E8F), ΔE 0.032 away. Black text reads best on it, at 7.17:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Dull Teal (#5F9E8F) |
| Black text | 7.17:1 |
| White text | 2.92:1 |
Values
| HEX | #42A792 |
| RGB | rgb(66, 167, 146) |
| HSL | hsl(168, 43%, 46%) |
| OKLCH | oklch(66.3% 0.099 177) |
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 #42A792 | 2.92:1 | Fails | Lc -60.8 | Content text, not long reading |
| Black text on #42A792 | 7.17:1 | AAA | Lc 48.6 | Large or bold text, headings |
| #42A792 text on white | 2.92:1 | Fails | Lc 55.4 | Large or bold text, headings |
| #42A792 text on black | 7.17:1 | AAA | Lc -46.4 | 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
#E1EDE9
oklch(93.6% 0.014 174.2)
-
Step 200
200
#C7DFD9
oklch(88.4% 0.027 179)
-
Step 300
300
#A0CBC0
oklch(80.8% 0.048 177.7)
-
Step 400
400
#68B1A0
oklch(70.8% 0.078 177.3)
-
Step 500
500 (this color)
#42A792
oklch(66.3% 0.099 177)
-
Step 600
600
#008772
oklch(55.7% 0.104 176.6)
-
Step 700
700
#007160
oklch(49.1% 0.091 177.4)
-
Step 800
800
#005D4E
oklch(42.8% 0.079 176.7)
-
Step 900
900
#0D4D41
oklch(37.8% 0.065 176.7)
-
Step 950
950
#0B2D26
oklch(27% 0.041 176.9)
#42A792 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) | #A19D91 | 0.104 |
| Deuteranopia (no green cones) | #929294 | 0.100 |
| Tritanopia (no blue cones) | #00A9A1 | 0.027 |
| Achromatopsia (no color) | #979797 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42A792
#42A792
oklch(66.3% 0.099 177)
- #C47994
#C47994
oklch(66.3% 0.099 357)
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 #42A792, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Teal #5F9E8F ΔE 0.032
- Persian Green #2A9D8F ΔE 0.035
- Greeny Blue #42B395 ΔE 0.035
- Grey Teal #5E9B8A ΔE 0.037
- Light Sea Green #20B2AA ΔE 0.039
- Sea #3C9992 ΔE 0.043
- Tea #65AB7C ΔE 0.044
- Blue Green #0F9B8E ΔE 0.045
Use #42A792 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.