#42918F
Closest named color: Dusty Teal (#4C9085). oklch(60.7% 0.077 193.1), rgb(66, 145, 143).
Aa
Black text reads best on this color (5.67:1).
About this color
#42918F is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.077 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.015 away. Black text reads best on it, at 5.67:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.67:1 |
| White text | 3.69:1 |
Values
| HEX | #42918F |
| RGB | rgb(66, 145, 143) |
| HSL | hsl(178, 37%, 41%) |
| OKLCH | oklch(60.7% 0.077 193.1) |
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 #42918F | 3.69:1 | AA large text | Lc -69.9 | Content text, not long reading |
| Black text on #42918F | 5.67:1 | AA | Lc 39.7 | Non-text elements, placeholder text |
| #42918F text on white | 3.69:1 | AA large text | Lc 64.4 | Content text, not long reading |
| #42918F text on black | 5.67:1 | AA | Lc -37.3 | Non-text elements, placeholder text |
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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#CADEDD
oklch(88.5% 0.021 193.1)
-
Step 300
300
#A5C9C7
oklch(80.9% 0.038 192.3)
-
Step 400
400
#73ADAB
oklch(70.7% 0.06 193.1)
-
Step 500
500 (this color)
#42918F
oklch(60.7% 0.077 193.1)
-
Step 600
600
#268381
oklch(55.7% 0.084 192.9)
-
Step 700
700
#166E6D
oklch(49% 0.078 193.7)
-
Step 800
800
#175A59
oklch(42.7% 0.065 193.5)
-
Step 900
900
#1B4A49
oklch(37.7% 0.051 193.3)
-
Step 950
950
#112B2B
oklch(26.9% 0.032 195.4)
#42918F 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) | #898A8F | 0.082 |
| Deuteranopia (no green cones) | #7C8190 | 0.076 |
| Tritanopia (no blue cones) | #009590 | 0.027 |
| Achromatopsia (no color) | #858585 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42918F
#42918F
oklch(60.7% 0.077 193.1)
- #AB6F75
#AB6F75
oklch(60.7% 0.077 13.1)
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 #42918F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.015
- Sea #3C9992 ΔE 0.023
- Teal Green #0A9396 ΔE 0.025
- Blue Green #0F9B8E ΔE 0.036
- Persian Green #2A9D8F ΔE 0.037
- Dark Cyan #008B8B ΔE 0.037
- Grey Teal #5E9B8A ΔE 0.044
- Dull Teal #5F9E8F ΔE 0.050
Use #42918F 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.