#42906B
Closest named color: Viridian (#1E9167). oklch(59.3% 0.097 160.7), rgb(66, 144, 107).
Aa
Black text reads best on this color (5.43:1).
About this color
#42906B is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.097 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.023 away. Black text reads best on it, at 5.43:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 5.43:1 |
| White text | 3.86:1 |
Values
| HEX | #42906B |
| RGB | rgb(66, 144, 107) |
| HSL | hsl(152, 37%, 41%) |
| OKLCH | oklch(59.3% 0.097 160.7) |
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 #42906B | 3.86:1 | AA large text | Lc -71.4 | Content text, not long reading |
| Black text on #42906B | 5.43:1 | AA | Lc 38.2 | Non-text elements, placeholder text |
| #42906B text on white | 3.86:1 | AA large text | Lc 65.9 | Content text, not long reading |
| #42906B text on black | 5.43:1 | AA | Lc -35.7 | 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 600.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE7
oklch(93.7% 0.013 159.9)
-
Step 200
200
#CCDED4
oklch(88.4% 0.024 161.7)
-
Step 300
300
#A9CAB7
oklch(80.9% 0.044 160)
-
Step 400
400
#7AAE92
oklch(70.6% 0.069 160.4)
-
Step 500
500
#549A78
oklch(63% 0.089 161.3)
-
Step 600
600 (this color)
#42906B
oklch(59.3% 0.097 160.7)
-
Step 700
700
#27704F
oklch(49% 0.09 160.5)
-
Step 800
800
#235B41
oklch(42.6% 0.074 160.6)
-
Step 900
900
#224B37
oklch(37.7% 0.058 160.5)
-
Step 950
950
#152C20
oklch(27% 0.037 159.8)
#42906B 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) | #8E8669 | 0.092 |
| Deuteranopia (no green cones) | #837E6D | 0.090 |
| Tritanopia (no blue cones) | #279086 | 0.041 |
| Achromatopsia (no color) | #828282 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42906B
#42906B
oklch(59.3% 0.097 160.7)
- #A56790
#A56790
oklch(59.4% 0.096 340.6)
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 #42906B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.023
- Ocean Green #3D9973 ΔE 0.026
- Light Forest Green #4F9153 ΔE 0.034
- Sea Green #2E8B57 ΔE 0.035
- Slate Green #658D6D ΔE 0.036
- Dark Sage #598556 ΔE 0.037
- Dusty Teal #4C9085 ΔE 0.042
- Fern Green #548D44 ΔE 0.048
Use #42906B 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.